3a thread class right-hand 0.283" thread length dished hexagon head style 2.312" grip length 28 thread quantity per inch w/retaining element on shank cadmium surface treated unjf thread series
Used on mrap buffalo mk2a2. 2a thread class right-hand 0.157" thread length pan head style 32 thread quantity per inch oxide screw surface treated unc thread series
3a thread class right-hand 0.877" thread length dished hexagon head style 0.365" grip length 18 thread quantity per inch with soft button or strip or patch type element in threads for locking feature cadmium surface treated unjf thread series
2a thread class right-hand 0.169" thread length fillister head style 0.037" hole diameter 40 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.200" thread length pan no. 2 head style 40 thread quantity per inch navy special project cadmium screw surface treated unc thread series