3a thread class right-hand 0.296" thread length fillister head style 32 thread quantity per inch min. tensile strength 70000 on 300 series only passivate surface treated unc thread series
Used on 75mm pack howitzer. 3a thread class right-hand 1.250" thread length hexagon head style 8 thread quantity per inch phosphate manganese or phosphate zinc surface treated unc thread series
Used on 75mm pack howitzer. 2a thread class right-hand 0.500" thread length hexagon head style 24 thread quantity per inch cadmium surface treated unf thread series
2a nut thread a thread class right-hand nut thread a 1.100" nut thread b thread length 3.960 feet overall length 16 nut thread a thread quantity per inch ink, epoxy base, black anodize surface treated unc nut thread a thread series
2a nut thread a thread class right-hand nut thread a 1.100" nut thread b thread length 3.055 feet overall length 16 nut thread a thread quantity per inch tip on nut a thd 0.500 in. lg anodize surface treated unc nut thread a thread series
3a thread class right-hand flush countersunk head style 0.251" grip length 32 thread quantity per inch 156000 single pounds per square inch shear strength nickel surface treated unjc thread series
