2a thread class right-hand 0.324" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.188" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength 32 micro" on shank cadmium surface treated unjf thread series
3a thread class right-hand 1.889" thread length flat chamfer head style 18 thread quantity per inch furnished with self-locking optional type element on threads unc thread series
Used on sonar assy,torpedo mk50. 3a thread class right-hand 1.250" thread length pan no. 2 head style 28 thread quantity per inch passivate surface treated unf thread series
2a thread class right-hand 1.720" thread length pan head style 32 thread quantity per inch passivate screw surface treated item must comply with requirements of defense supply center philadelphia production standard no. PO0046nrp unc thread series
3a thread class right-hand 0.678" thread length flat chamfer head style 0.115" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
Used on upper support bar-steam catapults. 3a thread class right-hand 2.766" thread length double hexagon extended washer head style 9 thread quantity per inch unc thread series