2a thread class right-hand 0.548" thread length flat chamfer head style 28 thread quantity per inch 1/32 in. by 1/32 in. undercut between thd unf thread series
2a thread class right-hand 0.500" thread length flat chamfer head style 20 thread quantity per inch zinc or phosphate screw surface treated unc thread series
0.340" major thickness material is per qq-s-624, cold finished (cond. opt.) , 0.15-0.35 per cent lead permitted, comp 4140; surface treatment is per tt-e-529, color no. x-24087 (olive drab) , fed-std-595; heat treatment is per mil-h-6875, quench enamel surface treated
1a thread class right-hand 6.000" thread length hexagon head style 10 thread quantity per inch furnished w/header point zinc surface treated unc thread series
1a thread class right-hand 6.000" thread length square head style 10 thread quantity per inch furnished w/header point zinc surface treated unc thread series
2a thread class right-hand 4.000" thread length square head style 4.188" grip length 13 thread quantity per inch thd end chamfered 60 degrees by 0.188 in. lg, furnished with sq nut zinc surface treated unc thread series