Online Parts Store › Flat Washer, 5/16", .062" Thick, OD 9/16" (A/N Style) Image 1 of 1 Flat Washer, 5/16", .062" Thick, OD 9/16" (A/N Style) $10.20 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Cotter Pin $169.61 Phillips Tapping Screw - Truss Head #10 x 1" $33.32 Phillips Tapping Screw - Pan Head, #10 x 3" $37.54 Flat Washer, 1/2", .078" Thick, OD 1-1/4" $38.42 Flat Washer, 5/16", .062" Thick, OD 7/8" $52.44