Online Parts Store › Flat Washer, #10, .050" Thick, OD 9/16 Image 1 of 1 Flat Washer, #10, .050" Thick, OD 9/16 $16.12 316 Stainless Steel. Add To Cart Added! 316 Stainless Steel. You Might Also Like Phillips Tapping Screw - Pan Head, #8 x 1-1/4" $27.71 Flat Washer, 5/16", .062" Thick, OD 9/16" (A/N Style) $10.20 Stainless Fender Washer #10, .050" Thick, OD 3/4" $18.58 Square Tapping Screw - Flat Head,#10 x 2" $31.61 Stainless Fender Washer 5/8", .109" Thick, OD 2" $37.03