3a thread class right-hand 0.444" thread length flat countersunk head style 0.740" grip length 28 thread quantity per inch tapped hole in head 0.1380-32, unjc-3b threads; distance from head top to injection port 0.390 in.; injection port 0.120 in. lg, 0.60 in. unjf thread series
2a thread class right-hand 2.000" thread length hexagon head style 14 thread quantity per inch screw, cap, hexagon head zinc surface treated unf thread series
2a thread class right-hand 1.500" thread length hexagon head style 18 thread quantity per inch screw, cap, hexagon head zinc surface treated unf thread series
3a thread class right-hand 0.266" thread length dished hexagon head style 32 thread quantity per inch navy special project dry film lubed shank only per mcair PS18021, class 15 passivate surface treated unf thread series
2a thread class right-hand 1.375" thread length hexagon head style 12 thread quantity per inch screw, cap, hexagon head zinc surface treated unc thread series
2a thread class right-hand 0.668" thread length dee head style 28 thread quantity per inch first diameter from head is 0.252 in.and length 0.172 in. unf thread series
right-hand 0.777" thread length dee head style 32 thread quantity per inch item includes a raised unthreaded shoulder 0.210 in. dia., 0.258 in. long which begins at end of threads unf thread series
2a thread class right-hand 0.519" thread length dee head style 32 thread quantity per inch first diameter from head is 0.167 in.and length 0.156 in.; second diameter from head is 0.211 in. unf thread series
2a thread class right-hand 0.501" thread length dee head style 32 thread quantity per inch first diameter from head is 0.168 in.and length 0.094 in.; second diameter from head is 0.211 in. unf thread series
Used on mark iv weather satellite. 2a thread class right-hand 0.680" thread length hexagon head style 13 thread quantity per inch navy special project passivate surface treated unc thread series
Used on 2 generation vortac(2gvortac). functional desc: screw assembly, washer; ref data & literature: 3A1A3A1MP4, ti 6820.2, fa 9996/3, vortac, vor/dme, vor equipment, vol 8, sec 8, pg 8-267
2a thread class right-hand 0.594" thread length pan head style 32 thread quantity per inch zinc screw surface treated screw material continue all steel comp for 1023 or 1025 or 1026 or 1029 or 1030 or 1031 or 1033 or 1034 or 1037 or 1038 or 1039 or 1040 unc thread series
