Used on underwater torpedo tubes. ohio class ssn (trident) ship. submarine armament and fire control systems. submarine ship control and navigation systems. ssbn mk-118 fire control sys.. weapon system essential
3a thread class right-hand 1.016" thread length dished hexagon head style 1.490" grip length 16 thread quantity per inch cadmium surface treated unjf thread series
3b thread class right-hand 0.588" thread length 20 thread quantity per inch internal thd 0.5000-20; top of insert identified by one dash mark; four locking keys paced 90.0 deg apart passivate surface treated grooved keylock unjf thread series
2a nut thread a thread class right-hand nut thread a 4.500" nut thread b thread length 1.854 feet overall length 6 nut thread a thread quantity per inch hole in nut end 0.656 nom in dia; un nut thread a thread series
2a nut thread a thread class right-hand nut thread a 6.000" nut thread b thread length 2.750 feet overall length 8 nut thread a thread quantity per inch navy special project hole on nut end 0.656 in. nom dia; 70000 min yield un nut thread a thread series
2a nut thread a thread class right-hand nut thread a 10.000" nut thread b thread length 2.166 feet overall length 2a nut thread a thread quantity per inch navy special project 66000 min yield; hole un nut thread a thread series
3a thread class right-hand 0.241" thread length 32 thread quantity per inch screw has a non-floating head passivate fastener surface treated unc thread series
3a thread class right-hand 0.476" thread length flat countersunk head style 1.178" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 1.625" thread length hexagon head style 8 thread quantity per inch navy special project paint lusterless surface treated unc thread series