2a thread class right-hand 0.027" thread length flat countersunk head style 80 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 1.688" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 16 thread quantity per inch casehardening indicator:not casehardened; style designator:style no.130-stepped; unc thread series
3a thread class right-hand 0.550" thread length knurled no. 4 head style 0.089" hole diameter 28 thread quantity per inch navy special project cadmium surface treated unf thread series
2a thread class right-hand 1.750" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.250" thread length flat chamfer head style 72 thread quantity per inch navy special project passivate surface treated unf thread series
2a thread class right-hand 0.407" thread length watertight head style 32 thread quantity per inch cadmium screw surface treated furnished w/1 buna-n o-ring mil-r-6855 class 1 unc thread series
Used on C-7A. 2a thread class right-hand 1.562" thread length fillister head style 28 thread quantity per inch cadmium screw surface treated original name-bolt, machine unf thread series
2a thread class right-hand 0.234" thread length knurled no. 1 head style 32 thread quantity per inch navy special project oxide surface treated unf thread series
