2a thread class right-hand 0.359" thread length knurled no. 1 head style 20 thread quantity per inch cone point, 77 deg min 87 deg max angle passivate surface treated unc thread series
3a thread class right-hand 0.715" thread length 20 thread quantity per inch 0.106 in. dia hole drilled 0.197 in. from shankend cadmium or zinc surface treated unjf thread series
2a thread class right-hand 0.035" thread length watertight head style 56 thread quantity per inch navy special project passivate screw surface treated furnished with one o-ring mil-r-25897 type 1 cl 1 unc thread series
3a thread class right-hand 1.375" thread length 16 thread quantity per inch pellet type lockingelement in thd mil-f-18240, magnetic inspection per mil-1-6868 cadmium surface treated unf thread series
3a thread class right-hand 0.480" thread length dished hexagon head style 0.990" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
