Used on mk 16 mod 0 eod uba. 2a thread class 0.810" thread length pan no. 2 head style 32 thread quantity per inch passivate screw surface treated explosive ordnance disposal tools/equipment unc thread series
2a thread class right-hand 1.376" thread length pan head style 32 thread quantity per inch metallic-ceramic coat 0.0003-0.0006 inch thick per mil-c-81751, type 1, class 4 unc thread series
2a thread class right-hand 0.380" thread length fillister head style 40 thread quantity per inch phosphate manganese screw surface treated 0.093 in. dia. hole in side of head unf thread series
2a thread class right-hand 4.205" thread length fillister head style 48 thread quantity per inch phosphate manganese screw surface treated heat treatment: before threading, heat at 1500-1550 deg. f., oil quench, temper 30 min. to hardness specified; 0.062 in. dia. hole in side of head unf thread series
3a thread class right-hand 0.476" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.304" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unjf thread series