Used on nimitz dvn, forrestal cv, ticonderoga cg (47), arleigh burke ddg, whidbey island lsd and fms newport lst. cage 67311 [oem] fm brick industries, pa replaced by cage 3PTY8 [type f] which is phoenix rescue equipment inc, tn thus the oem
3a thread class right-hand 0.562" thread length hexagon head style 0.047" grip length 24 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 1.500" thread length hexagon extended washer head style 11 thread quantity per inch phosphate surface treated unc thread series