2a thread class right-hand 0.750" thread length 0.070" hole diameter 20 thread quantity per inch hole in head is csk. 90.0 deg. to a dia. of 0.090 in. unc thread series
Used on m1a2 tank. 2a thread class right-hand 2.500" thread length hexagon head style 13 thread quantity per inch screw shall have full form threads extending to within 2 threads of thebearing surface of the head; hydrogen embrittlement relief mandatory cadmium surface treated unc thread series
Used on 2320-01-304-2277 and 2320-01-304-2278 pls (palletized loading system). 2a thread class right-hand 2.000" thread length hexagon head style 9 thread quantity per inch phosphate surface treated unc thread series
2a thread class right-hand 0.232" thread length hexagon head style 24 thread quantity per inch undercut at bearing surface of head, .063 min. .078 max. lgth; .309 min. .314 max. dia. unf thread series
2a thread class right-hand 0.988" thread length hexagon head style 0.0920" hole diameter 10 thread quantity per inch zinc surface treated unc thread series