Used on bell helicopter. 3a thread class right-hand 0.578" thread length hexagon head style 1.938" grip length 24 thread quantity per inch material is alloy steeel per mil-b-7838 cadmium surface treated unjf thread series
Used on f-18 acft. 0.698" grip length bolt, shoulder-hexagon head bolt, shoulder, .1900-32, undrilled, .698; heat treated 125, 000-145, 000psi units; cadmium plate per qq-p-416 type ii, CLASS2
Used on c-5 aircraft. 3a thread class right-hand 0.790" thread length double hexagon w/hole head style 0.070" hole diameter 28 thread quantity per inch bolt unjf thread series