Used on mrap; c-mtv. right-hand 28.0mm thread length flat chamfer head style screw, cap socket head interanl drive style is hexagon, width across the flats is 6.0 mm zinc surface treated m thread series
Used on ac-130 aircraft. 3a thread class right-hand 0.625" thread length flat chamfer head style 56 thread quantity per inch cadmium surface treated unjf thread series
Used on oe-251 (v) upn, ant grp w/ecp-63-000813. 2a thread class right-hand 0.188" thread length fillister head style 40 thread quantity per inch slotted head captive panel screw unc thread series
3a thread class right-hand 0.625" thread length flat fillister head style 32 thread quantity per inch mil spec socket head cap screw ms 16996-11, nas 1251c-3-10 unf thread series
Used on ss-24/urn-32, transponde group. 2a thread class right-hand 0.562" thread length pan head style 32 thread quantity per inch 18-8 stainless steel pan head phillips machine screw unf thread series
3a thread class right-hand 0.359" thread length flat chamfer head style 56 thread quantity per inch finish 1.9.2.3 of mil-std-171, except .0003 thick. supplementary chromoate treatment to be bronze or olive drab in color chromate surface treated unc thread series