2a thread class right-hand 0.750" thread length flat chamfer head style 20 thread quantity per inch passivate screw surface treated eccentric, off sight 0.45 unc thread series
3a thread class right-hand 1.068" thread length double hexagon w/hole head style 16 thread quantity per inch cadmium or chromate surface treated unjf thread series
3a thread class right-hand 0.338" thread length flat countersunk undercut head style 0.865" grip length 32 thread quantity per inch navy special project o-ring inside dia 0.174 in. min, 0.184 in. max; o-ring thickness 0.023 in. min, 0.027 in. max cadmium fastener surface treated unjf thread series
3a thread class right-hand 1.284" thread length dished hexagon head style 2.490" grip length 12 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 2.938" thread length hexagon head style 8.406" grip length 40 thread quantity per inch navy special project unc thread series