Used on C-17A. 3a thread class right-hand 0.363" thread length flat countersunk head style 0.187" grip length 32 thread quantity per inch screw, machine unjf thread series
2a thread class right-hand 0.194" thread length pan head style 32 thread quantity per inch straight knurl head oxide fastener surface treated unf thread series
3a thread class right-hand 1.370" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 1.370" 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 0.595" grip length drive nut color light gray passivate sleeve surface treated
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.657" grip length drive nut color light gray passivate sleeve surface treated