Special Features:

Inside diameter has flat surface with round top edges, 0.020 in. Min, 0.040 in. Max high parallel to outside edge of key; 0.275 in. Min, 0.285 in. Max flat to center distance

Properties:

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.