Used on c-17 aircraft. 3a thread class right-hand cooper's head style 0.250" grip length 32 thread quantity per inch pin-rivet, threaded passivate surface treated unjf thread series
Used on c-5m aircraft. 3a thread class right-hand straight pan head style 0.745" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength mrc aatb: width across flats, noted with "evidence of broken edge across points." no dimensions provided cadmium surface treated unjc thread series
Used on c-17a aircraft. 3a thread class right-hand straight pan head style 0.625" grip length 32 thread quantity per inch pin-rivet 95 ksi shear; 160 to 180 ksi tension per mil-h-81200 unjf thread series