Used on harpoon installation. 3a thread class right-hand flat countersunk head style 32 thread quantity per inch screw cadmium screw surface treated unjf thread series
Used on a-10 aircraft. 3a thread class right-hand straight pan head style 0.745" grip length 32 thread quantity per inch 7480 double pounds per square inch shear strength pin-rivet cadmium surface treated unjf thread series