Flat Washers
Flat Washers, or just Plain Washers, are a flat annulus or ring, often of metal, used to spread the load from the head of a screwed fastening to the base material. Flat washers are used to increase the bearing surface of a nut or fastener's head thus spreading the clamping force over a larger area.
Flat Washer (b18.22.1), showing 200, (click on any line for more information)
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | 3/8 x 5/8 x .062 | 16fw375062 3/8x5/8x.062 natural nylon flat washer | 1000 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 | #6 18-8 stainless steel flat washer nas620c-6l | 2000 |
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| Endries | WI | Flat Washer | Rubber, Buna-N, Neoprene etc. | Plain | #6 | r-0250-12-t (or equivalent) #6 rubber washer 1/4 outside diameter x.062 thick | 6000 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .130 x .389 x .020 | .130x.389x.020 stainless steel flat washer | 25 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | .265 x .500 x .032 | flat | 100.0 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | 1/4-20 | screw retaining | 4,286.0 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | .218 x .370 x .070 | flat washer blk nylon | 2,700.0 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | #6 | 500.0 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | .260 x .437 x .047 | flat | 50.0 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | .188 x .500 x .062 | .188 id x .500 od x .062 thk | 500.0 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | .257 x .500 x .062 | flat | 427.0 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | M-3.00 | 900.0 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | .375 x .630 x .032 | flat | 500.0 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | .382 x .750 x .066 | flat | 157.0 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | 6-093 5/16 x .140 x .093 | fw | 5,330.0 |
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| Endries | WI | Flat Washer | Steel | Plain | #10 | 10 washer retainer 16fwrt010032 | 512 |
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| Endries | WI | Flat Washer | Steel | Plain | .375 x .875 x .062 | .375x.875x.062 steel flat washer plain | 18000 |
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| Endries | WI | Flat Washer | 316, 317, A4 Stainless | Plain | 3/4 | 3/4 f/w .765 id x 1.3 12 od x .090 th ty 316 stainless | 12 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 15/16 x 2 | 15/16 x 2 flat washer .060 thk 18-8/a2 | 590 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | .785 | .785/.815x1.99/2.01x.059/.065 nylon flat washer natural | 5730 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .406 x .812 x .065 | .406x.812x.065 18-8 stainless steel flat washer | 380 |
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| Endries | WI | Flat Washer | Aluminum | Plain | 1/8 x 3/8 x .060 | 1/8 x 3/8 od x .060 thk rivet backup washer alum | 13300 |
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| Endries | WI | Flat Washer | Grade 8 | Zinc/Clear | .280 x 3/4 | .280 id x 3/4 od fl wash .080 thk gr 8 znc | 10411 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | .531 x 1.56 x .134 | .531x1.56x.134 steel washer zinc | 365 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | .385 | .385/.395x.682/.692x .054/.066 flat washer trivalent clear zinc | 10400 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | fail | 1.312 x .656 x .089/.099 lubricant filled nylon dark gray (mds) stamped flat washer | 14000 |
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| Endries | WI | Flat Washer | Steel | Zinc/Yellow | .310 | .310/.320x.620/.630x .044/.052 flat washer yellow zinc | 9301 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | .375 x .500 x .087 | wf-0500-0375-0087 .375x .500x.087 nylon flat washer natural | 5000 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | M8 | m8 flat washer stl znc | 775 |
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| Endries | WI | Flat Washer | Rubber, Buna-N, Neoprene etc. | Plain | 80 | .141/.171x.36/.39x.047/.077 buna-n 80 duro flat washer | 12500 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | 2.005 | 2.005 +/-.0003 x 3.71 x .134 +/-.008 flat washer zinc | 194 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | 3/4 | 3/4 standard flat washer zinc (.805x1.993x.122) | 2398 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | M20 | 20mm flat washer tri clr zinc 120 wh/144 red rust din 433 | 600 |
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| Endries | WI | Flat Washer | Steel | Plain | .812 x 1.57 x .074 | .812x1.57x.074 flat washer plain | 15 |
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| Endries | WI | Flat Washer | Steel | Zinc/Yellow | M24 | m24 flat washer yellow zinc din 125a | 35 |
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| SunPack | FL | Flat Washer | Silicon Bronze | Plain | 2 1/2 | 2-1/2 silicon bronze flat | 18 |
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| SunPack | FL | Flat Washer | Silicon Bronze | Plain | #10 | #10 silicon bronze flat | 446 |
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| SunPack | FL | Flat Washer | Silicon Bronze | Plain | 3/8 | 3/8 silicon bronze flat | 32 |
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| SunPack | FL | Flat Washer | Titanium | Plain | 5/8 | 5/8 titanium gr2 flat | 4 |
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| SunPack | FL | Flat Washer | Silicon Bronze | Plain | 1 | 1 silicon bronze flat | 30 |
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| SunPack | FL | Flat Washer | Silicon Bronze | Plain | 5/16 | 5/16 silicon bronze flat | 131 |
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| SunPack | FL | Flat Washer | Silicon Bronze | Plain | 1/2 | 1/2 silicon bronze flat | 37 |
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| SunPack | FL | Flat Washer | Silicon Bronze | Plain | 9/16 | 9/16 silicon bronze flat | 2 |
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| SunPack | FL | Flat Washer | Silicon Bronze | Plain | 5/8 | 5/8 silicon bronze flat | 64 |
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| SunPack | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | nominalx1-1/8 odx1/8 thick 304 ss flat | 233 |
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| Endries | WI | Flat Washer | Plain | .627 x 1.115 x .060 | k70tz20560 hardened .627x 1.115x.060 thrst washer (koyo only) | 300 |
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| Endries | WI | Flat Washer | Steel | Plain | hale | 68407b 1-1/4x3/4 steel reducing washer (halex) | 600 |
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| MetricThrd | CA | Flat Washer | Steel | Plain | M10 x 20.6 x 3.1 | m10 x 20.6 x 3.1 steel plain harden hrc 38 -45 flat washers | 2,799 |
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| MetricThrd | CA | Flat Washer | Nylon (Polyamide) | Plain | M | m 3 din 125-nylon spacer | stock |
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| MetricThrd | CA | Flat Washer | Steel | Zinc/Clear | M7 | m 7 jis b1256-stl zn flat washers | 13,827 |
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| MetricThrd | CA | Flat Washer | Steel | Zinc/Clear | M10 | m10 jis b1256-stl zn flat washers | 19,733 |
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| MetricThrd | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M2.6 | m 2.6 din 125-a2 s.s flat washers | 15,000 |
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| Endries | WI | Flat Washer | Black Oxide | M13 x 22 x 3 | z8812 m12 case hardened washer black oxide 13x22x3mm | 1500 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | 7721-7 | 7721-7ppsg.116x.215x.040 rohs compliant washer (thermalloy) | 500 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | .31 | 5610-185-31 .565x.750x .31 nylon flat washer (seastrom) | 500 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .188 x .500 x .040 | #8 18-8 stainless steel type-b regular flat washer .188x.500x.040 | 1000 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | .150 x .312 x .050 | 17w03138 .150x.312x.050 nylon flat washer | 1000 |
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| Endries | WI | Flat Washer | Fiber | Plain | 0.406 x 0.875 x 0.125 | washer flat fibre 0.406 x 0.875 x 0.125 | 132 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .219 x .438 x .049 | f/w .219 x .438 x .049 18-8ss | 22562 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | 3/8 | 3/8 standard flat washer zinc (.433x.99 3x.064) approved duplicate part item mast | 400 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M10 | m10 a2 stainless flat washer din 125a | 4744 |
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| Endries | WI | Flat Washer | Fiber | Plain | .140 x .250 x .062 | f/w .140 x .250 x .062 fibre rohs | 57 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | .255 | .255/.265x.99/1.01x.028/.034 nylon flat washer natural | 100 |
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| Hewes | NY | Flat Washer | Steel | Plain | 5/8 | an960-1016 f/w plate5/8 nominal size.641x 1.187x .063 | 61400 |
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| Hewes | NY | Flat Washer | Steel | Plain | .500 x .875 x .062 | an960-816 f/w plate1/2 nominal size.515x .875x .063 | 95431 |
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| Hewes | NY | Flat Washer | Steel | Cadmium/Yellow | .453 x .75 x .063 | an960-716 f/w plate7/16 nominal size | 40181 |
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| Hewes | NY | Flat Washer | Steel | Cadmium/Yellow | .174 x .375 x .032 | an960-8 f/w plate#8 nominal size | 46600 |
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| Hewes | NY | Flat Washer | Steel | Plain | .390 x .625 x .032 | an960-616 f/w plate3/8 nominal size | 295938 |
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| Hewes | NY | Flat Washer | Steel | Plain | .328 x .562 x .063 | an960-516 f/w plate5/16 nominal | 291100 |
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| Hewes | NY | Flat Washer | 316, 317, A4 Stainless | Plain | #4 .125 x .312 x .032 | #4 flat 316 s/s.125x .312x .032 | 160831 |
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| Hewes | NY | Flat Washer | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 960 | an c-416 f/w 18-8 s/s.500-.265-1/16 | 48520 |
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| Hewes | NY | Flat Washer | Steel | Zinc/Clear | .265 x .625 x .125 | f/w platerohs copmplaint | 6960 |
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| Hewes | NY | Flat Washer | Nylon (Polyamide) | Plain | .261 x .693 x .033 | natural flat | 426 |
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| Hewes | NY | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .265 x 1.00 x .125 | f/w304 s/s | 5000 |
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| Hewes | NY | Flat Washer | Steel | Nickel Plated | .318 x .625 x .020 | f/w plt #037982 | 5820 |
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| Hewes | NY | Flat Washer | 316, 317, A4 Stainless | Plain | .390 x .781 x .018 #418775 | .390x .781x .018 f/w316 s/s #418775 | 5444 |
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| Hewes | NY | Flat Washer | 316, 317, A4 Stainless | Plain | .390 x .687 x .022 .025 | .390 x.687 x.022 -.025 f/w316s/s bright finish | 5174 |
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| Hewes | NY | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .328 x .562 x .032 | .328 idx.562 odx.032 f/w 18-8 s/s | 4216 |
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| Hewes | NY | Flat Washer | Brass | Plain | a f/w per print.081x .156x .012 brs | 7000 |
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| Hewes | NY | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .391 x 1.00 x .250 | f/w304 s/s | 42033 |
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| Hewes | NY | Flat Washer | Nylon (Polyamide) | Plain | .440 x .750 x .062 # 111558 | .440x .750x .062 f/wprint# a-111558 | 7150 |
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| Hewes | NY | Flat Washer | 316, 317, A4 Stainless | Plain | 1/2 | f/w 316 s/s stamped 3169/16x 1-3/8x 086/132 | 7333 |
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| Hewes | NY | Flat Washer | Steel | Plain | .531 x 1.00 x .056/071 | .531idx1.00odx.056/071tkflat | 300 |
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| Endries | WI | Flat Washer | Rubber, Buna-N, Neoprene etc. | Plain | .485 x 1 1/16 | .485 id x 1 1/16 od fl wash silicone rubber | 452 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | 3/16 x 3/8 x 1/8 | 3/16x3/8x1/8 nylon flat washer source controlled | 3932 |
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| Endries | WI | Flat Washer | Grade 5 | Zinc/Clear | .585 | .585/.595x1.052/1.072x .187 low carbon flat washer zinc | 4900 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | .630 x 1.183 x .053 | an960-c1016 5/8 18-8 stainless steel flat washer | 2428 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 1 | 1.062 id x 2.50 od x .136/.192 thick flat 18-8 s/s 304ss MS15795-827 | 12 |
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| Liberty | IL | Flat Washer | Steel | Cadmium/Yellow | 2-7/8 (2.775/2.94) ID X 5-1/4 (5.24/5.315) OD X .228/.310 THICK FLAT WASHER CAD YELLOW MS27183-39 | 15 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | .203 x .438 x .032 | nas1149c0332r .203 id x .438 od x .032 thick flat 304ss | 492 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | .195 x .354 x .032 | nas620c10lp .195 id x .354 od x .032 thick flat 18-8 304 304ss | 66 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | .255 x .495 x .057 | nas1149c0463r 1/4 x 1/2 od x .063 flat 18-8 s/s dfars 304ss | 4,300 |
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| Liberty | IL | Flat Washer | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | .203 x .438 x .016 | nas1149f0316p flat cad NAS1149-F0316P | 12,018 |
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| Liberty | IL | Flat Washer | Steel | Zinc/Yellow | M6 | hi strength flat tp200 & | 11,000 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M10 (10.5 id)x25 odx4 thick flat a2 18-8 304 din 7349 | 24 |
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| Liberty | IL | Flat Washer | Steel | Black Oxide | M6 | standard flat | 500 |
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| Liberty | IL | Flat Washer | Nylon (Polyamide) | Plain | .234 | #12 idx5/8 odx.059/.065 thick flat black .224/.244x.615/.635 .224/.244x.615/.635 | 20,750 |
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| Liberty | IL | Flat Washer | Steel | Plain | .281 x 1.00 x .063 | .281 idx1.00 odx.063 thk ff-w-92 type-a gr-1 cl-g nicu qq-n-281 cl a cold rolled annealed all tol per asme b18.21.1 all tol per asme b18.21.1 | 5 |
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| Liberty | IL | Flat Washer | Steel | Black Oxide | .125 x .354 x .04 | .125 idx.354 odx.04 thick flat | 10,300 |
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| Liberty | IL | Flat Washer | Steel | Zinc/Clear | .392 | actual idx1-1/16 odx.062 thick flat | 8,730 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .170 | #8()x5/16x1/32 flat wsher 18-8 s/s (nas620c8) | 7,726 |
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| Liberty | IL | Flat Washer | Steel | Zinc/Clear | .265 x .50 x .067 | thick flat | 840 |
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| Liberty | IL | Flat Washer | Steel | Zinc/Clear | .375 x .75 x .058 | .375 idx.75 odx.058 thick flat | 10,995 |
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| Liberty | IL | Flat Washer | Steel | Zinc/Clear | 25/64 x 5/8 x 1/16 | thick flat | 5,490 |
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| Liberty | IL | Flat Washer | Steel | Phosphate | .469 x .75 x .108 | .469 idx.75/8125 odx.108/.132 thick flat heat treated phos per print | 546 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .562 x 1.250 x .062 | .562 id x 1.250 od x .062/.078 thick 300 series stainless steel | 751 |
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| Liberty | IL | Flat Washer | Steel | Plain | .52 x 1.25 x .156 a108 | .52 idx1.25 odx.156 thick flat astm a108 g10450 cf not heat treated tolerances +/-.005 tolerances +/-.005 | 1 |
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| Endries | WI | Flat Washer | Steel | Plain | 5162-04 | 5162-04 luxury foam anti-bacterial handwash 1250ml | 27 |
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| Empire | WA | Flat Washer | Steel | Zinc/Clear | M12 | m12 hardened flat washer zp din 125a 300hv | 240 |
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| Empire | WA | Flat Washer | Nylon (Polyamide) | Plain | #4 .250 x .115 x .093 | #4 nylon washer .250x.115x.093 | 3000 |
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| Empire | WA | Flat Washer | Steel | Plain | 1 1/4 | 1 1/4 (each) flat cut washer 4/lb | 3 |
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| Empire | WA | Flat Washer | Steel | Galvanized | 1/2 | 1/2 flat washr hdg (bulk) 26 pcs/# | 80 |
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| Endries | WI | Flat Washer | Steel | Galvanized | 5/16 | 5/16 standard flat washer hot dip galvanized (.370x.868x.064) | 19015 |
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| Endries | WI | Flat Washer | Plain | M8 | m8 flat washer plain din 125a | 100 |
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| Endries | WI | Flat Washer | 316, 317, A4 Stainless | Plain | M4 | m4 a4 stainless flat washer din 125a | 100 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .098 x .14 x .008 | 5710-7-8 .098x.14x.008 18-8 stainless steel flat washer seastrom | 1000 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | .140 x 5/16 | .140 id x 5/16 od fl wash .062 thk nyln | 700 |
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| MetricThrd | CA | Flat Washer | Steel | Chrome Plated | M1 x 8 | m8 din 125-st chrome flat washer 1 | stock |
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| MetricThrd | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/32ba | 5/32 ss back up s | stock |
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| MetricThrd | CA | Flat Washer | Steel | Zinc/Black | M12 | M12 blk/zn flat s hv200 din 125-stl | 3,040 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | 1/2 x 1 | 1/2 (x 1 od) flat | 54.0 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | .750 x 1.500 x .250 | .250 thk x .750 id x 1.500 od | 7.0 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | #8 | 470.0 |
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| MESAFAST | CA | Flat Washer | Nylon (Polyamide) | Plain | 1/2 (3/4 od x .125 thk) flat | 9.0 |
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| HBBOLT | CA | Flat Washer | 316, 317, A4 Stainless | Plain | 1 1/8 | flat 316 ss | -26 |
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| SunPack | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 2 | 2 18-8 ss flat | 2 |
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| SunPack | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/8 | 18-8 ss flat domestic | 4 |
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| SunPack | FL | Flat Washer | Steel | Zinc/Clear | M6 | flat din 125 | 252 |
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| SunPack | FL | Flat Washer | Steel | Zinc/Clear | M4 | flat din 125 | 350 |
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| SunPack | FL | Flat Washer | Steel | Plain | M12 | flat din 125 | 12 |
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| SunPack | FL | Flat Washer | Steel | Zinc/Clear | M5 | flat din 125 | 400 |
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| SunPack | FL | Flat Washer | Steel | Plain | M30 | flat din 125 | 7 |
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| Western | CA | Flat Washer | Steel | Plain | seastrom 5710-54-2 | 2,500 |
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| FACCA | Ont | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 50000 |
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| FACCA | Ont | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | (0.375 x 0.562 x 0.031) | 25000 |
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| FACCA | Ont | Flat Washer | Nylon (Polyamide) | Plain | #6 | (0.312 x 0.150 x 0.050) | 25000 |
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