1.170" grip length grooved on end 0.960 in.counter-ssunk hole unthreaded 1.500 deep-head end also has hole-first dia 0.875 in narows to threaded 0.375 in dia 24 thr per in.unf thr series-used on antenna assy attack radar p/n 12E44011 1/f-111d t.o. 1f-111d-4-23 fig 2 index 6
0.280" hole diameter 1.170" grip length countersunk threaded hole concentric in head rectangularly- shaped in first phase-narrows to a 0.375 in. thread dia-24 thr per in, unf thr SERIE0.700 thr length--rectangle
2a thread class right-hand knurled no. 1 head style 11 thread quantity per inch extension on from threaded end threaded left hand, dia. 0.438 in. by 20threads per inch zinc surface treated unc thread series
3a thread class right-hand 0.251" thread length pan head style 1.365" grip length 32 thread quantity per inch cadmium fastener surface treated unjc thread series
3a thread class right-hand 1.159" thread length dished hexagon head style 1.928" grip length 14 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 1.010" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series