Size 0 beveled washers, 3/8' x 8-32 round head screws, 3/8' x 10-24 slotted screws, #8 O-rings, #12 O-rings, round hose washers, sink strainer washers, Type K slip joint washers, Type J friction washers, Type K friction washers, tank bolt washers, 3/8' cone washers, 1-1/2' x 1-1/4' slip joint washers, 1R ballcock washers, 7R ballcock washers, 00 beveled washers, 1/4 flat washers, 0 flat washers, and 00 flat washers.
eBay