3b thread class right-hand 28 thread quantity per inch one slot on periphery of extended washer 0.050 in. deep 0.090 in. min 0.100 in. max wide passivate surface treated
3b thread class right-hand 16 thread quantity per inch four holes equally spaced 0.042 in. min, 0.052 in. max dia, drilled from approx center of od to upper side on A45 degree angle anodize surface treated
3b thread class right-hand 16 thread quantity per inch four holes equally spaced 0.042 in. min 0.052 in. max dia drilled from approx center of od to upper side on a 45 degree angle cadmium surface treated
