Used on ecm counter measures set,an/alq86-air ea-6b. 2a thread class right-hand 0.450" thread length flat countersunk head style 40 thread quantity per inch navy special project passivate screw surface treated apply black oxide finish per mil c-13924, class 3 unc thread series
Used on shear brace assembly,b-1b acft. 3a thread class right-hand 0.516" thread length double hexagon head style 1.052" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.507" thread length flat countersunk head style 24 thread quantity per inch cadmium or cadmium screw surface treated unjf thread series
3a thread class right-hand 0.554" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.995" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.063" grip length 860 single pounds per square inch shear strength
2a thread class right-hand 0.251" thread length pan head style 2.740" grip length 32 thread quantity per inch cadmium fastener surface treated unc thread series
3a thread class right-hand 0.820" thread length hexagon head style 0.060" hole diameter 0.088" grip length 24 thread quantity per inch unjf thread series
3a thread class right-hand 0.505" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength threads are color coded black aluminum surface treated unjf thread series
3a thread class right-hand 0.444" thread length flat countersunk head style 0.802" grip length 28 thread quantity per inch tapped hole in head 0.138-32unjc-3b thds. distance from top of head to injection port 0.390 in. injection port 0.120 in. lg. by 0.060 in. wide unf thread series
