2b thread class right-hand 0.375" thread length 28 thread quantity per inch slot across center of closed end 0.062 in. deep by 0.062 in. w paint surface treated
2b thread class right-hand 0.280" thread length 32 thread quantity per inch navy special project flange flat countersunk 100 degrees with wrenching slot passivate surface treated
3b thread class right-hand 28 thread quantity per inch flange-100 deg countersunk, slot in flange 0.082-0.098 in. WX0.046 in. deep; red nylon locking insert cadmium except insert surface treated
