Special Features:

External keys 90 degrees apart and offset 19 degrees 17 min 8 sec from center line of external keys and angle between first and second key from center line 85 degrees 42 min 51 sec and angle between third and fourth key from center line 85 degrees 42 min 51 sec. Internal keys 180 degrees apart

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.