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1 1/2 USS Flat Washers
USS Flat Washers were among the first known commercial flat washers in the U.S.A. They are characterized as having a loose fit, and have a larger outside diameter than SAE Flat washers. The USS designation was derived from the name “Unified Standard Series.” At the time, coarse threaded bolts were called USS bolts.
141 results, (click on any line for more information)
| Buy USS Flat Washers from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| THRDFAST | AL | USS Flat Washer | Steel | Galvanized | 1 1/2 x 1/4 | 1 1/2 USS flat 1/4 thk hdg b18.22.1 | 7 |
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| IRF | NJ | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 x 24 | 1-1/2 uss flat stl zinc w24usz | 25 |
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| MESAFAST | CA | USS Flat Washer | Steel | Plain | 1 1/2 x 3 1/4 | 1-1/2 x (3-1/4 od) USS flat | 10.0 |
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| Jackson | MS | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1-1/2 USS flat 1 5/8 idx3 1/2 od 7 gauge 2.6/lb | 920 |
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| Jackson | MS | USS Flat Washer | Steel | Plain | 1 1/2 | 1-1/2 USS flat 1 5/8 idx3 1/2 od 2.6/lb | 95 |
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| YANKEE | NH | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/2 x 3 1/2 | 1-1/2 x 3-1/2 od uss flat washer grade 8 steel zinc yellow | 2 |
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| YANKEE | NH | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 x 3 1/2 | 1-1/2 x 3 1/2 uss flat washer steel zinc plated | 65 |
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| Jackson | MS | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/2 | 1-1/2 USS gr 8 flat 1 5/8 idx3 1/2 od | 312.95 |
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| XL Screw | GA | USS Flat Washer | Grade 5 | Plain | 1 1/2 (1 5/8 x 3 1/2 x .153/.213) | uss flat hard rc 38-45 for a325/a490 and 8 9 bolts | 130 |
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| XL Screw | GA | USS Flat Washer | Grade 5 | Zinc/Yellow | 1 1/2 (1 5/8 x 3 1/2 x .153/.213) | uss flat hard rc 38-45 zyd for a325/a490 and 8 9 bolts | 130 |
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| BoltCraft | NE | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 x 125 | 1-1/2 uss flat washer zinc 125/ctn-10/pkg | 8 |
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| Jackson | MS | USS Flat Washer | Steel | Galvanized | 1 1/2 | USS flat hot dip 1 5/8 idx3 1/2 od 2.6/lb | 435 |
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| ACCURATE | IL | USS Flat Washer | Steel | Galvanized | 1 1/2 | flat -uss hot dip | 4 |
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| CNB | IL | USS Flat Washer | Grade 2 | Plain | 1 1/2 | USS flat dom. | 58 |
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| SII | IN | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1-1/2 zinc uss flat washer) | 37 |
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| SII | IN | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/2 | 1-1/2 grd8 uss yz flat washer) | 25 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1 1/2 uss f/w hrd stl yel znc (3-1/2 od) b18.22.1 | 9 |
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| Ababa | CA | USS Flat Washer | Steel | Plain | 1 1/2 | 1 1/2 uss f/w stl pln (3-1/2 od) b18.22.1 | 14 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1 1/2 uss f/w stl znc (3-1/2 od) b18.22.1 | 267 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1 1/2 uss f/w stl znc (3-1/2 od) b18.22.1 | 20 |
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| Weaver | WA | USS Flat Washer | Brass | Plain | 1 1/2 uss flat washers brass | 2 |
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| American | NY | USS Flat Washer | Steel | Galvanized | 1 1/2-3 1/2 | 1-1/2 ussflat (3-1/2 od) hot galv | 33 |
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| Weaver | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/2 | 1 1/2 uss flat s 18-8 ss | 34 |
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| Weaver | WA | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1 1/2 hi alloy uss flat yellow zinc | 245 |
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| JET FITTING | CA | USS Flat Washer | Steel | Plain | 1 1/2 | 1 1/2 washers flat washers uss steel flat washer plain (inch) b18.22.1 | 25 |
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| Express | CA | USS Flat Washer | Steel | Galvanized | 1 1/2 | 1-1/2 galv uss flat | 4 |
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| American | NY | USS Flat Washer | Steel | Plain | 1 1/2 | USS flat (3-1/2 od) | 27 |
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| B & K FAST | PA | USS Flat Washer | Steel | Galvanized | 1 1/2 | 1 1/2 uss flat washers galv b18.22.1 | 248 |
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| B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/2 | 1 1/2 uss thru-hard flat washers gr 8 z yellow b18.22.1 | 74.66 |
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| B & K FAST | PA | USS Flat Washer | Steel | Plain | 1 1/2 | 1 1/2 uss flat washers plain b18.22.1 | 620.7 |
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| B & K FAST | PA | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1 1/2 uss flat washers zinc b18.22.1 | 16.89 |
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| B & K FAST | PA | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1 1/2 uss flat washers zinc domestic b18.22.1 | 40 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1 1/2 uss flat zinc per each 2.6 1.625x3.50x.180 b18.22.1 | 55 |
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| TownCountry | AR | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | flat uss | 47 |
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| METRO IND | OH | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | USS flat | 102 |
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| METRO IND | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/2 | USS flat gr 8 /y | 10 |
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| TSF | TX | USS Flat Washer | Steel | Zinc/Clear | 1 1/2-130 | flat washer uss zp 1-1/2 (130/50#s) | 59 |
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| ACCURATE | IL | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | flat - uss | 129 |
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| Kanebridge | IL | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1 1/2 flat washer-uss usa zinc | 1.875 |
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| HBBOLT | CA | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | USS flat [] | 126 |
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| SunPack | FL | USS Flat Washer | Steel | Plain | 1 1/2 | 1-1/2 uss flat plain | 79 |
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| SunPack | FL | USS Flat Washer | Steel | Galvanized | 1 1/2 | 1-1/2 uss flat hdg | 5 |
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| SunPack | FL | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1-1/2 uss flat zinc | 116 |
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| SunPack | FL | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/2 | 1-1/2 gr8 uss flat yellow zinc | 51 |
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| Hewes | NY | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | USS hardened f/w | 69 |
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| Hewes | NY | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | USS f/w pl130 pc/50# | 453 |
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| MESAFAST | CA | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/2 | USS mil-carb | 106.0 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Galvanized | 1 1/2 | USS f/w -galv | 17 |
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| Purchase | MO | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1 1/2 uss f/w thru-hardened steel zinc/yellow | 20 |
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| Purchase | MO | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1 1/2 u s s flat washer zinc | 38 |
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| Century | FL | USS Flat Washer | Steel | Plain | 1 1/2 | 1 1/2 uss flat washer (GR-8 ZI/YEL) (GR-8 ZI/YEL) | 22 |
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| Century | FL | USS Flat Washer | Steel | Plain | 1 1/2 | 1 1/2 uss flat washer (STEEL) (STEEL) | 81 |
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| Wurth Ada | MN | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | washer flat uss a w steel (zn) 1 1/2 | 791 |
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| GLF | OH | USS Flat Washer | Steel | Plain | 1 1/2 | 1-1/2 uss flat stl pln b18.22.1 () () | 62 |
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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/2 | 1-1/2 uss flat gr 8 stl zy b18.22.1 () () | 174 |
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| GLF | OH | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1-1/2 uss flat stl zc b18.22.1 () () | 32 |
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| GLF | OH | USS Flat Washer | Grade 8 | Plain | 1 1/2 | 1-1/2 uss flat gr 8 stl pln b18.22.1 () () | 50 |
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| THRDFAST | FL | USS Flat Washer | Grade 8 | Plain | 1 1/2 | gr 8 USS f/w b18.22.1 | 4 |
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| NAPPCO | TX | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1-1/2 flat/washer uss thruharded stl zy (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) | 60 |
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| NAPPCO | TX | USS Flat Washer | Grade 8 | Plain | 1 1/2 | 1-1/2 uss gr8 flat washer (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) | 40 |
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| THRDFAST | OK | USS Flat Washer | Steel | Plain | 1 1/2 | USS f/w b18.22.1 | 20 |
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| SunPack | FL | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/2 | 1-1/2 gr8 uss flat yellow zinc | 51 |
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| SRF | AL | USS Flat Washer | Steel | Galvanized | 1 1/2 | USS flat | 28 |
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| SRF | AL | USS Flat Washer | Steel | Plain | 1 1/2 | USS flat | 80 |
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| SIS | AZ | USS Flat Washer | Steel | Plain | 1 1/2 | USS hardened flat | 80 |
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| Endries | WI | USS Flat Washer | Steel | Plain | 1 1/2 | 1-1/2 uss trademark mil-carb hardened flat plain 1.62x3.50x.136 | 55 |
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| NutsBolts | NE | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1 1/2 uss thru-hard flat washer zy | 681 |
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| NutsBolts | NE | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1 1/2 uss flat washer zp | 1051 |
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| NutsBolts | NE | USS Flat Washer | Steel | Plain | 1 1/2 | 1 1/2 uss flat washer plain | 13 |
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| NutsBolts | NE | USS Flat Washer | Steel | Galvanized | 1 1/2 | 1 1/2 uss flat washer hdg |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | USS f/w USS fw | 34 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Plain | 1 1/2 | USS f/w USS fw | 123 |
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| BHAM | AL | USS Flat Washer | Steel | Galvanized | 1 1/2 | USS flat hdg | 3 |
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| Future Fastener | TX | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/2 | 1 1/2 gr8 uss flat washer yz | 2 |
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| Future Fastener | TX | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/2 | 1 1/2 g8 uss flat washer (yel/zinc) | 5 |
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| OBRIEN | OH | USS Flat Washer | Grade 8 | Plain | 1 1/2 | USS flat gr8 | 80 |
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| SWACO | OH | USS Flat Washer | Steel | Galvanized | 1 1/2 | 1 1/2 uss flt wash low stl hdg | 95 |
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| Lippin | CA | USS Flat Washer | Steel | Plain | 1 1/2 | flat washer uss plain | 130 |
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| Delta | TX | USS Flat Washer | Steel | Galvanized | 1 1/2 | flat washer uss hdg 1 1/2 (3 1/2 OD) | 90 |
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| Delta | TX | USS Flat Washer | Steel | Plain | 1 1/2 | flat washer uss plain 1 1/2 (3 1/2 OD) | 157 |
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| Delta | TX | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | flat washer uss zinc 1 1/2 (3 1/2 OD) | 420 |
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| All Size | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/2 | 1 1/2 uss flat washer s/s b18.22.1 | 50 |
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| SRF | AL | USS Flat Washer | Steel | Galvanized | 1 1/2 | USS flat | 183 |
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| CNB | IL | USS Flat Washer | Grade 2 | Galvanized | 1 1/2 | flat , uss, , hot dip | 61 |
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| CNB | IL | USS Flat Washer | Grade 2 | Zinc/Clear | 1 1/2 | flat , uss, , | 48 |
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| IRF | NJ | USS Flat Washer | Steel | Plain | 1 1/2 | USS flat stl | 10 |
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| QFC | TX | USS Flat Washer | Steel | Plain | 1 1/2 | 1 1/2 uss flat washer plain each 2.6/lb 130/bx1.625x3.50x.180 b18.22.1 | 90 |
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| SASCO | OR | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/2 | USS flat er 18-8 s/s flat s flat s | 1 |
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| BHAM | AL | USS Flat Washer | Steel | Galvanized | 1 1/2 | 1-1/2 uss flat galv b18.22.1 | 106 |
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| ASFCORP | MI | USS Flat Washer | Steel | Plain | 1 1/2 | 1 1/2 uss flt wshr pkg | 300 |
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| ASFCORP | MI | USS Flat Washer | Steel | Plain | 1 1/2 | 1 1/2 uss flt wshr thru-hardened stl rc 38-45 pkg | 5 |
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| FastWare | Sask | USS Flat Washer | Steel | Plain | 1 1/2 | USS flat | 36 |
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| FastWare | Sask | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | USS flat | 2 |
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| ASMC | IL | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | flat USS pattern low carb zp | 60 |
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| ASMC | IL | USS Flat Washer | Steel | Plain | 1 1/2 | flat USS pattern low carb | 19 |
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| KBS | TN | USS Flat Washer | Steel | Plain | 1 1/2 | 1-1/2 uss flat/w b18.22.1 | 630 |
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| Kanebridge | IL | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1 1/2 uss thru-hardened washer zinc yellow | 0.750 |
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| Kanebridge | IL | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1 1/2 uss flat washer zinc | 625,000 |
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| Liberty | IL | USS Flat Washer | Steel | Galvanized | 1 1/2 | USS flat anized | 113 |
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| Liberty | IL | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | USS flat | 141 |
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| Liberty | IL | USS Flat Washer | Steel | Plain | 1 1/2 | USS flat | 37 |
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| IPC | VA | USS Flat Washer | Steel | Black Oxide | 1 1/2 | 1-1/2 uss flat black ox | 78 |
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| IPC | VA | USS Flat Washer | Grade 8 | Plain | 1 1/2 | 1-1/2 uss flat grade 8 | 200 |
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| XL Screw | GA | USS Flat Washer | Steel | Plain | 1 1/2 | uss flat s | 130 |
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| XL Screw | GA | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | uss flat s zp | 130 |
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| MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1-1/2 hard uss flat washer zdy usa domestic b18.22.1 | 150 |
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| MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1-1/2 hard uss flat washer zinc yellow usa domestic b18.22.1 | 150 |
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| MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1-1/2 hard uss flat washer zinc yellow usa domestic b18.22.1 | 150 |
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| MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1-1/2 hard uss flat washer zdy usa domestic b18.22.1 | 150 |
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| Fastener | OH | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | flat uss 1-1/2 steel zinc plated | 4 |
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| SWACO | OH | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1 1/2 flt wash low stl uss zn | 162 |
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| SWACO | OH | USS Flat Washer | Steel | Plain | 1 1/2 | 1 1/2 uss flt wash low stl pln | 145 |
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| SWACO | OH | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1 1/2 uss flt wash stl thru-hard zy | 29 |
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| OSSCO | RI | USS Flat Washer | 316, 317, A4 Stainless | Plain | 1 1/2 | 1-1/2 flat uss 316 s/s b18.22.1 | 4 |
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| OSSCO | RI | USS Flat Washer | Nylon (Polyamide) | Plain | 1 1/2 | 1-1/2 flat uss special dimensions nylon b18.22.1 | 2,035 |
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| SunPack | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/2 | 304 ss USS flat | 4 |
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| SunPack | FL | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | USS flat | 116 |
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| SunPack | FL | USS Flat Washer | Steel | Plain | 1 1/2 | USS flat | 99 |
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| SunPack | FL | USS Flat Washer | Steel | Galvanized | 1 1/2 | USS flat hdg | 5 |
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| Hodell | OH | USS Flat Washer | Steel | Cadmium | 1 1/2 | 1-1/2 uss flat cad | 22 |
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| Fastener | OH | USS Flat Washer | Steel | Plain | 1 1/2 | flat uss 1-1/2 thru-hardened plain | 87 |
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| THRDFAST | OK | USS Flat Washer | Steel | Galvanized | 1 1/2 | USS f/w hdg b18.22.1 | 60 |
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| Hodell | OH | USS Flat Washer | Steel | Galvanized | 1 1/2 | 1 1/2 uss fl wash galv | 212 |
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| Valley Nu | WA | USS Flat Washer | Steel | Plain | 1 1/2 | (3 1/2 od) USS pl | 89 |
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| JET FITTING | CA | USS Flat Washer | Steel | Galvanized | 1 1/2 | 1 1/2 uss flt wash low stl hdg 345014 b18.22.1 | 115 |
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| IRF | NC | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | USS flat stl | 25 |
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| Lightning | LA | USS Flat Washer | Steel | Plain | 1 1/2 | astm f844 USS flat | 205 |
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| Century | NY | USS Flat Washer | Steel | Plain | 1 1/2 uss flat washer steel | 81 |
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| Valley Nu | WA | USS Flat Washer | Steel | Galvanized | 1 1/2 | (3 1/2 od) USS cut hdg | 129.5 |
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| Lightning | LA | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | astm f844 USS flat | 355 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 1 1/2 | (3 1/2 od) USS zb | 101 |
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| Empire | WA | USS Flat Washer | Steel | Plain | 1 1/2 | 1-1/2 (#) uss flat washer pla | 9 |
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| JET FITTING | CA | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1 1/2 flt wash low stl uss zn 344015 b18.22.1 | 162 |
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| Komar | MO | USS Flat Washer | Steel | Plain | 1 1/2 | USS flat whr(1 5/8x3 1/2x3/16) | 41 |
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| Empire | WA | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | 1-1/2 (#) uss flat washer zp | 50 |
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| Century | NY | USS Flat Washer | Grade 8 | Zinc/Clear | 1 1/2 uss flat washer gr-8 zi/yel | 22 |
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| Lightning | LA | USS Flat Washer | Steel | Galvanized | 1 1/2 | astm f844 USS flat | 352 |
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| Empire | WA | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1-1/2 uss thru-hard washer yzp | 119 |
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| Hodell | OH | USS Flat Washer | Steel | Plain | 1 1/2 | 1-1/2 uss flat pln | 188 |
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| Lightning | LA | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/2 | USS flat | 271 |
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| THRDFAST | OK | USS Flat Washer | Steel | Zinc/Clear | 1 1/2 | USS f/w b18.22.1 | 7 |
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