3b thread class right-hand 28 thread quantity per inch two drilled holes located 180 deg apart 0.043 in. min 0.048 in. max dia 0.064 in. min 0.074 in. max from nut hex end passivate surface treated
3b thread class right-hand 16 thread quantity per inch navy special project three equally spaced lugs on nut 0.240 in. mon hght with drilled holes 0.100 in nom dia
2b thread class right-hand 32 thread quantity per inch 0.620 in. min, 0.630 in. max spherical radius on bearing surface of washer anodize surface treated
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
