2a thread class right-hand 0.750" thread length thumb no. 6 head style 32 thread quantity per inch drill hole for cotter pin 0.062 in. dia 0.550 in. from head unc thread series
3a thread class right-hand 0.309" thread length knurled no. 1 head style 28 thread quantity per inch bearing surface of head undercut 0.156 in. deep by 0.870 in. dia. cadmium surface treated unf thread series
2a thread class right-hand 0.375" thread length knurled no. 2 head style 24 thread quantity per inch undercut unthreaded portion 0.062 in. dia by 0.062 in. long cadmium surface treated unc thread series
2a thread class right-hand 3.922" thread length knurled no. 1 head style 16 thread quantity per inch point grooved for retaining spring unc thread series
2a thread class right-hand 0.438" thread length knurled no. 1 head style 28 thread quantity per inch pilot hole in bottom of threaded portion permissable nickel surface treated unf thread series
Used on pw/s: over the horizon back scanner (oth-b) program (an/fps-118); towed array handling equipment; underwater torpedo tubes; submarine ship control and navigation sytems; deck machinery; ship, ohio class ssn (trident). 3a thread class 0.026" thread length knurled no. 2 head style 32 thread quantity per inch passivate surface treated unc thread series
