Online Parts Store › Flat Washer, #10, .050" Thick, OD 7/16 Image 1 of 1 Flat Washer, #10, .050" Thick, OD 7/16 $13.35 316 Stainless Steel. Add To Cart Added! 316 Stainless Steel. You Might Also Like Phillips Tapping Screws - Flat Head, #12 x 3" $42.89 Nylon Flat Washer 1/2", 0.62" Thick, OD 1-1/4" $36.72 Stainless Cotter Pin 5/32" x 1" $51.08 Phillips Tapping Screws - Flat Head, #14 x 2-1/2" $57.69 Stainless Countersunk Finishing Washer, #12 $18.89