3a thread class right-hand straight pan head style 2.5975" grip length 32 thread quantity per inch bolt, protruding head, hex drive aluminum surface treated unjf thread series
Used on c-17a aircraft. 3a thread class right-hand crown countersunk less than 135 degrees head style 0.188" grip length 32 thread quantity per inch pin-rivet, threaded, 100 deg fl crown rivet hd finish per dps 4.50-197 (hi-kote 1 only) aluminum surface treated unjf thread series
