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USS Flat Washer (ANSI ASME 18.22.1)
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.
0 USS Flat Washer (ansi b18.22.1), showing 200, (click on any line for more information)
| Buy USS Flat Washers from one of our FCH Network Members | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Shadran I | USS Flat Washer | Grade 5 | Chrome Plated | 1/4 x 2 1/4 | 1/4x2-1/4 uss gr5 chrome | 10 |
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| Shadran I | USS Flat Washer | Grade 5 | Chrome Plated | 1/4 x 2 | 1/4x2 uss gr5 chrome | 10 |
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| Shadran I | USS Flat Washer | Grade 5 | Chrome Plated | 1/4 x 1 1/2 | 1/4x1-1/2 uss gr5 chrome | 2 |
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| Shadran I | USS Flat Washer | Grade 5 | Chrome Plated | 1/4 x 1 1/4 | 1/4x1-1/4 uss gr5 chrome | 8 |
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| Shadran I | USS Flat Washer | Grade 5 | Chrome Plated | 1/4 x 1 | 1/4x1 uss gr5 chrome | 2 |
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| Shadran I | USS Flat Washer | Grade 5 | Chrome Plated | 1/4 x 7/8 | 1/4x7/8 uss gr5 chrome | 6 |
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| Shadran I | USS Flat Washer | Grade 5 | Chrome Plated | 1/4 x 3/4 | 1/4x3/4 uss gr5 chrome | 12 |
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| Shadran I | USS Flat Washer | Grade 5 | Chrome Plated | 1/4 x 5/8 | 1/4x5/8 uss gr5 chrome | 14 |
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| Shadran I | USS Flat Washer | Grade 5 | Chrome Plated | 1/4 x 1/2 | 1/4x1/2 uss gr5 chrome | 23 |
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| Shadran I | USS Flat Washer | Grade 5 | Chrome Plated | 1/4 x 1 3/4 | 1/4x1-3/4 uss gr5 chrome | 7 |
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| Shadran I | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 uss stainless f/w | 184 |
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| Shadran I | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 uss stainless f/w | 45 |
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| Shadran I | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | (15) 3/8 uss f/w stainless | inquire |
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| Shadran I | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 uss stainless f/w | 81 |
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| Shadran I | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | (20) 5/16 uss f/w stainless rf | inquire |
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| Shadran I | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | 1/4 uss stainless f/w | inquire |
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| Shadran I | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | (20) 1/4 uss f/w ss rf | inquire |
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| Shadran I | USS Flat Washer | Plain | 1 | (5) 1 uss flat washer | inquire |
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| Shadran I | USS Flat Washer | Plain | 7/8 | (6) 7/8 uss f/w | inquire |
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| Shadran I | USS Flat Washer | Plain | 3/4 | (6) 3/4 uss f/w | inquire |
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| Cal Fastenrs | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .406 x .875 x .045 | .406 x .875 x .045 s.s. f/w 3/8 comml uss f/w | 539 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Zinc/Clear | 7/8 | 7/8 USS f/w Cr3+ USS f/w | 65 |
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| Cal Fastenrs | CA | USS Flat Washer | Nylon (Polyamide) | Plain | .257 x .500 x .093 | .257 id x .500 od x .093 nylon flat washer uss f/w | uss f/w | uss f/w | 800 |
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| Cal Fastenrs | CA | USS Flat Washer | Grade 8 | Zinc/Yellow | 5/16 | 5/16 uss f/w gr 8 yellow dichromate grd 8 f/w | grd 8 f/w | grd 8 f/w | 800 |
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| Cal Fastenrs | CA | USS Flat Washer | Nylon (Polyamide) | Plain | .400 x 1 x 062 3/8 17 | .400 idx1 odx062 thick nylon f/w 3/8 uss 17w10002 mwny1040 17w10002 mwny1040 | 300 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.) | 5/16 | 5/16 uss f/w steel magni coat 565 to meet 1000 hr salt spray uss f/w magni 565 1000 hr salt spray marks and sticking to be expected uss f/w magni 565 1000 hr salt spray marks and sticking to be expected | 9,800 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Zinc/Clear | 9/16 | 9/16 uss f/w-trivalent zinc uss f/w rohs compliant | 600 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Galvanized | 5/16 | 5/16 uss f/w h.d. galv flatwashers | 2,150 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Plain | 1 1/4 | 1-1/4 uss f/w uss f/w | 7 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Zinc/Yellow | #10 | #10 uss flatwasher steel rohs zinc yellow uss f/w | 4,000 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Zinc/Clear | 7/16 | 7/16 uss f/w trivalent zinc uss f/w | 485 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Zinc/Clear | 1 1/4 | 1-1/4 USS f/w USS f/w | 7 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Zinc/Yellow | 1 | 1 USS f/w w/gold irradite USS f/w | 130 |
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| Cal Fastenrs | CA | USS Flat Washer | Grade 8 | Plain | 3/8 | USS flat gr 8 | 1,900 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Plain | 9/16 | USS f/w USS f/w | 880 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Chromate Conversion (Iridite, Alodine) | 3/8 | USS f/w alodine 2000-silver USS f/w | 11,170 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Galvanized | 3/4 | USS f/w h.d. | 16 |
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| Cal Fastenrs | CA | USS Flat Washer | Grade 8 | Zinc/Yellow | 3/4 | USS f/w gr 8 USS f/w | 1,643 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Galvanized | 1 1/2 | USS f/w -galv | 17 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Galvanized | 1 | 1 USS f/w -galv USS fw | 45 |
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| SJS Prod | CA | USS Flat Washer | Steel | Zinc/Black | #10 | #10 flat washer uss st blk zn rohs | 5920 |
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| SJS Prod | CA | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 uss fw steel zinc yel rohs | 656 |
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| SJS Prod | CA | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss fw zp | 178 |
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| SJS Prod | CA | USS Flat Washer | Steel | Zinc/Clear | .435 x 1.00 x .085 | 3/8 uss f/w .435x1.00x.085 st zp rohs | 840 |
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| SJS Prod | CA | USS Flat Washer | Steel | Zinc/Clear | .435 x 1.00 x .085 | 3/8 uss f/w .435 x 1.00 x .085 st. zp | 1019 |
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| SJS Prod | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | 1/4 uss f/w .750 od ss | 782 |
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| NAPPCO | TX | USS Flat Washer | Steel | Zinc/Clear | 1 1/16 x 2 1/2 | 1 f/w uss stl zp 2-1/2 od 1-1/16 id | 155 |
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| NAPPCO | TX | USS Flat Washer | Grade 8 | Zinc/Yellow | 3/4 | 3/4 flat washer uss gd 8 zinc yellow | 11 |
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| Hayes | CA | USS Flat Washer | Galvanized | 7/8 | 7/8 uss flat washer hdg | 10 |
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| Hayes | CA | USS Flat Washer | Steel | Zinc/Yellow | 5/16 | 5/16 uss flat washer zinc & yellow | 1925 |
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| IndexFast | CA | USS Flat Washer | Steel | Plain | w437100078sz 3/8 uss flat washer steel/zinc | inquire |
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| IndexFast | CA | USS Flat Washer | Steel | Plain | 20 | w312750062szb 1/4 uss flat washer steel/zinc black | inquire |
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| IndexFast | CA | USS Flat Washer | Steel | Plain | w250562047sz 3/16 uss flat washer steel/zinc | inquire |
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| IndexFast | CA | USS Flat Washer | Steel | Plain | w5001375125sz 1/2 uss flat washer steel/zinc | inquire |
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| IndexFast | CA | USS Flat Washer | Steel | Galvanized | w5001375125hdg 1/2 uss flat washer hot dipped galvanized | inquire |
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| IndexFast | CA | USS Flat Washer | 316, 317, A4 Stainless | Plain | 062 5/8 | w062ussss316 5/8 uss flat washer 316 stainless | inquire |
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| IndexFast | CA | USS Flat Washer | Steel | Plain | w375875080sz 5/16 uss flat washer steel/zinc | inquire |
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| IndexFast | CA | USS Flat Washer | Steel | Plain | w312750062sg 1/4 uss flat washer steel/galvanized | inquire |
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| NAPPCO | TX | USS Flat Washer | Steel | Zinc/Yellow | 1 | 1 uss flat zinc & yellow | 266 |
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| NAPPCO | TX | USS Flat Washer | Steel | Zinc/Clear | 1/2 x 1 3/8 x 9/16 | 1/2 flatwasher uss stl zp 1-3/8od 9/16id | 300 |
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| NAPPCO | TX | USS Flat Washer | Steel | Zinc/Clear | 7/16 x 1 x 1/4 | 7/16 flatwasher uss stl zp 1-1/4od 1/2id | 6690 |
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| NAPPCO | TX | USS Flat Washer | Steel | Plain | 1/4 | 1/4 flatwasher uss steelzy .734 od | 3880 |
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| NAPPCO | TX | USS Flat Washer | Steel | Zinc/Clear | 3/8 flatwasher uss stl zp 1 od 7/16 id | 226 |
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| NAPPCO | TX | USS Flat Washer | Steel | Plain | 1/4 flatwasher uss stl 3/4od 5/16id | 29 |
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| NAPPCO | TX | USS Flat Washer | Steel | Galvanized | 1 | 1 uss flat washer galv. | 44 |
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| NAPPCO | TX | USS Flat Washer | Grade 8 | Zinc/Yellow | 7/16 | 7/16 flatwasher uss gr 8 zinc & yellow | 260 |
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| NAPPCO | TX | USS Flat Washer | Grade 8 | Plain | 1 1/2 | 1-1/2 uss gr8 flat washer | 40 |
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| NAPPCO | TX | USS Flat Washer | Grade 9 | Zinc/Clear | 3/8 | 3/8 flatwasher uss l9 y.zinc | 719 |
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| NAPPCO | TX | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1-1/2 flat/washer uss thruharded stl zy | 60 |
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| NAPPCO | TX | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 | 1 flat washer uss gr8 zinc &yellow | 30 |
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| IndexFast | CA | USS Flat Washer | 316, 317, A4 Stainless | Plain | 087 7/8 | w087ussss316 7/8 uss flat washer 316 stainless steel | inquire |
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| Hayes | CA | USS Flat Washer | Steel | Zinc/Yellow | 2 | 2 uss flat washer zii per ff-w-92 gr. i class a asme-b18.21-1 | 2 |
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| Hayes | CA | USS Flat Washer | Steel | Plain | 5/16 | 5/16 uss flat washer pln | 2800 |
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| Hayes | CA | USS Flat Washer | Steel | Galvanized | 9/16 | 9/16 uss flat washer hdg | 1100 |
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| Hayes | CA | USS Flat Washer | Steel | Plain | 7/8 | 7/8 uss flat washer zii | 250 |
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| Hayes | CA | USS Flat Washer | Steel | Plain | 1/4 | 1/4 uss flat washer pln | 15350 |
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| Hayes | CA | USS Flat Washer | 316, 317, A4 Stainless | Plain | 15795-813-316 5/16 x 7/8 flat washer (uss) t316 | 89 |
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| Hayes | CA | USS Flat Washer | Steel | Plain | 1 3/4 | 1-3/4 uss flat washer pln | 65 |
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| Hayes | CA | USS Flat Washer | Steel | Zinc/Clear | 1 1/4 | 1-1/4 uss flat washer zinc | 197 |
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| Hayes | CA | USS Flat Washer | Steel | Plain | #10 | #10 uss flat washer pln | 9320 |
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| Hayes | CA | USS Flat Washer | Steel | Plain | 1/2 | 1/2 uss flat washer bk/ox | 400 |
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| Hayes | CA | USS Flat Washer | Steel | Plain | 2 1/2 | 2-1/2 uss flat washer pln | 3 |
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| Hayes | CA | USS Flat Washer | Steel | Galvanized | 7/16 | 7/16 uss flat washer hdg | 460 |
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| Hayes | CA | USS Flat Washer | Steel | Plain | 7/8 | 7/8 uss flat washer pln | 271 |
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| Hayes | CA | USS Flat Washer | Silicon Bronze | Painted | 7/8 | 7/8 uss flat washer ant.bronze pltd | 113 |
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| Hayes | CA | USS Flat Washer | Silicon Bronze | Painted | 5/8 | 5/8 uss flat washer ant.bronze pltd | 120 |
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