3a thread class right-hand 0.338" thread length pan no. 2 head style 1.678" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 1.250" thread length flat chamfer head style 0.061" hole diameter 24 thread quantity per inch cadmium surface treated unrf thread series
3a thread class right-hand 0.553" thread length flat chamfer head style 48 thread quantity per inch navy special project cadmium fastener surface treated unrf thread series