3a thread class right-hand 0.250" thread length fillister head style 0.045" hole diameter 32 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 0.383" thread length pan no. 2 head style 32 thread quantity per inch 3 groves in body 0.032 in wide; hole at thread end for plub passivate surface treated unjf thread series
Used on lantirn/f-15e. 3a thread class right-hand 0.767" thread length double hexagon w/hole head style 0.055" hole diameter 1.625" grip length 20 thread quantity per inch passivate surface treated unjf thread series