2a thread class right-hand 0.281" thread length knurled no. 4 head style 32 thread quantity per inch head vertically knurled passivate fastener surface treated unc thread series
3a thread class right-hand flush countersunk head style 0.505" grip length 32 thread quantity per inch 125000 single pounds per square inch shear strength passivate surface treated unjc thread series
2a thread class right-hand 0.158" thread length flat chamfer head style 24 thread quantity per inch passivate screw surface treated thread relieved; thread end drilled unc thread series
3a thread class right-hand 0.251" thread length pan head style 1.115" grip length 32 thread quantity per inch passivate surface treated unjc thread series
Used on w/s: helicopter, seahawk h-60; helicopter, carrier based asw, sh-60f; helicopter, search and rescue, hh-60h; helicopter, uscg search and rescue, hh-60j; aircraft, f-16; aircraft, intruder a-6e; aircraft, prowler ea-6b; helicopter, lamps mark iii, sh-60b. 2a thread class right-hand 0.794" thread length pan head style 40 thread quantity per inch cadmium surface treated unc thread series
