Glass Filled Nylon Natural Washer,  1/4" Screw, .500" OD  x .064" Thick, 10 Pcs

Inside Diameter (A) .255"
Outside Diameter (B) .500"
Thickness  .062" - .067"

Nylon 66 Glass Filled Round Washer
Natural Tint
Temperature Maximum 230 F
M96 Rockwell