Flat Washer (ASME 18.22.1)
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 | Brass | Plain / Furnace Black | .812 x 2.000 x .114 | 3/4 (l) brass flat washer (.812x2.000x.114) | 35 |
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| Endries | WI | Flat Washer | Plastic | Plain / Furnace Black | Micro x s | 17w13749 .380x1.370x.125 nylon flat washer (micro plastics) | 200 |
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| Endries | WI | Flat Washer | Plain / Furnace Black | .620 x 1.462 x .086 | 9/16 standard flat washer plain (.620x1.462x.086) | 3 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | 1 x 1 1/4 | wa-143 1-1/4x1 reducing washer trivalent clear zinc | 28 |
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| TownCountry | AR | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M10 | m10 flat washer s.s. a2 | 398 |
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| MAINSOURC | NH | Flat Washer | Fiber | Plain / Furnace Black | .115 x .220 x .02 | #4 flt wshr (.115 x .220 x .02) g10 fiberglass | 9 |
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| MAINSOURC | NH | Flat Washer | Brass | Plain / Furnace Black | .562 x 1.25 x .091 | 1/2 flt wshr (.562x1.25x.091) brass | 11 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain / Furnace Black | .203 x .438 x .063 | an960-10l (fw #10 .203x.438x.032 stl c&y) | 50 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain / Furnace Black | .117 x .235 x .030 | fw .117 x .235 x .030 z | 1440 |
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| MAINSOURC | NH | Flat Washer | Steel | Zinc/Yellow | .123 x .250 x .022 | fw .123 x .250 x .022 zy | 3625 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain / Furnace Black | #4 | fw .125 x .280 x .026 z #4 | 6659 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | .125 | fw .125 x .307 x .032 ss black | 4188 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | .125 x .312 x .016 | fw .125 x .312 x .016 ss | 191 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain / Furnace Black | .125 x .332 x .032 | fw .125 x .332 x .032 bo | 340 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | .125 x .375 x .035 | fw .125 x .375 x .035 ss | 1548 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain / Furnace Black | .125 x .375 x .040 | fw .125 x .375 x .040 st | 100 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain / Furnace Black | .128 x .375 x .036 | fw .128 x .375 x .036ss | 194 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain / Furnace Black | .129 x 3/8 x .060 | fw .129 x 3/8 x .060 al | 1305 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain / Furnace Black | 13/32 x 7/8 x 1/8 | fw 13/32 x 7/8 x 1/8 heat treat bo | 129 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | .135 x .250 x .029 | flat washer .135 x .250 x .029 ss | 1019 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain / Furnace Black | .140 x .265 x .030 | fw .140 x .265 x .030 z | 1710 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | .143 x .312 x .030 | fw .143 x .312 x .030 ss | 978 |
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| MAINSOURC | NH | Flat Washer | Steel | Zinc/Yellow | .169 x .345 x .037 | fw .169 x .345 x .037 zy | 4900 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain / Furnace Black | .174 x .395 x .032 | fw .174 x .395 x .032 bo | 359 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | .180 x .375 x .040 | fw .180 x .375 x .040 ss | 1773 |
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| TownCountry | AR | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | #8 | flat white 3/16 i.d.x1/2 o.d.x0.032 thick | 8300 |
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| TownCountry | AR | Flat Washer | Aluminum | Plain / Furnace Black | 1/8 | flat standard #6 | 333 |
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| MAINSOURC | NH | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | #4 | #4 flt wshr type-b narrow 316 ss | 30 |
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| MAINSOURC | NH | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | #4 | #4 flt wshr tbn dfars 316 ss | 270 |
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| MAINSOURC | NH | Flat Washer | Aluminum | Plain / Furnace Black | .814 x 1.248 x .086 | 3/4 flt wshr (.814x1.248x.086) alum | 206 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | cobham 1801-0109 (c/s .145x.350x.060 ss) | 35 |
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| OneMonroe | MN | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | .281-.625 | 18-8 ss .281-.625 wash blk ox | 77 |
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| OneMonroe | MN | Flat Washer | Plain / Furnace Black | final wash cleaner | 1 |
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| ACCURATE | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/4 x 1/2 | 1/4x1/2 flat washer 18-8 stainless (1/4 x1/2 x0.063) | 1802 |
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| ACCURATE | IL | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | 3/8 x 7/8 | 3/8x7/8 flat washer-316 stainless steel | 54 |
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| ACCURATE | IL | Flat Washer | Steel | Zinc/Clear | M3 | m3 flat washer zinc din 125a | 2500 |
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| ACCURATE | IL | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | 1/4 x 1/2 x .125 | 1/4x1/2x.125 flat washer/spacer nylon natural (.257x.500x.125 thick) sp-0207 | 5000 |
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| RCFast | AZ | Flat Washer | Steel | Zinc/Clear | M5 | M5 flat 200hv zinc cr+3 ( ) din 125a | 7000 |
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| RCFast | AZ | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #4 | #10 flat 18-8 304 (#10x7/16x.032 an960l) | 7300 |
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| RCFast | AZ | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 5/16 | .344x.686x065 flat 18-8 304 304ss MS15795-812 | 24 |
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| RCFast | AZ | Flat Washer | Steel | Plain / Furnace Black | .099 x .250 x .016 | .099x.250x.016 flat stainless NAS1149CN216R | 3316 |
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| RCFast | AZ | Flat Washer | Steel | Plain / Furnace Black | .125 x .313 x .016 | .125x.312x.016 flat stainless NAS1149CN416R | 750 |
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| RCFast | AZ | Flat Washer | Steel | Plain / Furnace Black | .174 x .375 x .032 | .174x.375x.032 flat stainless NAS1149CN832R | 1425 |
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| RCFast | AZ | Flat Washer | Steel | Plain / Furnace Black | .265 x .500 x .032 | .265x.500x.032 flat stainless NAS1149C0432R | 3000 |
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| RCFast | AZ | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | .318 x .557 x .022 | .328x.562x.032 flat 18-8 304 304ss NAS1149C0532R | 200 |
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| RCFast | AZ | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | .318 x .557 x .053 | .328x.562x.063 flat 18-8 304 304ss NAS1149C0563R | 250 |
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| RCFast | AZ | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 3/8 | .390x.625x.016 flat 18-8 304 304ss NAS1149C0616R | 500 |
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| RCFast | AZ | Flat Washer | Steel | Plain / Furnace Black | .149 x .375 x .032 | .390x.625x.032 flat stainless NAS1149C0632R | 2000 |
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| RCFast | AZ | Flat Washer | Steel | Plain / Furnace Black | .453 x .750 x .032 | .453x.750x.032 flat stainless NAS1149C0732R | 300 |
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| RCFast | AZ | Flat Washer | Steel | Plain / Furnace Black | .203 x .438 x .032 | .203x.438x.032 flat stl cad NAS1149F0332P | 6400 |
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| OneMonroe | MN | Flat Washer | Rubber, Buna-N, Neoprene etc. | Plain / Furnace Black | black rubber tip with washer | 396 |
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| Future Fastener | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 5/16 | ms15795-812 5/16 flat ss 304ss | 165 |
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| Future Fastener | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 3/8 | ms15795-814 3/8 flat ss 304ss | 295 |
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| Future Fastener | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | .578 x 1.062 x .032 | an960c-916l flat ss 304ss | 100 |
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| Express | CA | Flat Washer | Grade 8 | Zinc/Yellow | 3/8 | 3/8 flat grade 8 yellow zinc | 1460 |
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| Express | CA | Flat Washer | Grade 8 | Zinc/Yellow | 1/2 | 1/2 flat grade 8 yellow zinc | 20 |
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| Express | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/4 | 1/4 flat 18-8 304 steel | 5930 |
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| Express | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 3/8 | 3/8 flat 18-8 304 steel | 2259 |
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| Express | CA | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | 3/8 | 3/8 flat 316 stainless steel | 244 |
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| Express | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/2 | 1/2 flat 18-8 304 steel | 3548 |
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| Express | CA | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | 1/2 | 1/2 flat 316 stainless steel | 808 |
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| Express | CA | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | 5/8 | 5/8 flat 316 stainless steel | 18 |
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| Express | CA | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | 3/4 | 3/4 flat 316 stainless steel | 44 |
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| Express | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1 | 1 flat 18-8 304 steel | 34 |
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| Express | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M-16 | m-16 flat 18-8 304 steel | 385 |
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| Express | CA | Flat Washer | Steel | Plain / Furnace Black | kwik -3/8 | 497 |
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| Express | CA | Flat Washer | Steel | Plain / Furnace Black | 3/4 | 3/4 lv pin w/ | 4400 |
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| Express | CA | Flat Washer | Steel | Plain / Furnace Black | 1 | 1 lv pin w/ | 4000 |
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| Express | CA | Flat Washer | Steel | Plain / Furnace Black | 1 1/2 | 1-1/2 lv pin w/ | 400 |
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| Express | CA | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | 1/2 x 3/4 | 1/2x3/4 nylon flat | 10000 |
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| Express | CA | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | 1/2 x 1 | 1/2x1 nylon flat | 2000 |
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| Express | CA | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | 5/8 x .843 x .060 | 5/8x.843x.060 nylon flat | 7630 |
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| Express | CA | Flat Washer | Steel | Plain / Furnace Black | 08 | 08ng 8 neo | 9500 |
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| Express | CA | Flat Washer | Steel | Plain / Furnace Black | 14 | 14ng 14 neo | 13000 |
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| OneMonroe | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | .261 x 1.50 x .090 | flat .261x1.50x.090 s/s | 200 |
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