Special Features:

Four holes, equally spaced, locatedon external key; surface finish 32 microinch; has critcal feature such as heat treatment, surface finish, or material type and special insp. Req.S such as magnetic particle insp. Or fluorescent penetrant inspection

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.