Used on C-17. 3a thread class right-hand 1.183" grip length 24 thread quantity per inch pin rivet, threaded aluminum surface treated unjf thread series
3a thread class right-hand 0.290" thread length flat chamfer head style 32 thread quantity per inch undercut at a .145 inch dia at 3 places also a .070 inch dia .59 inch deep thru one wall only passivate surface treated unf thread series
3a thread class right-hand 0.365" thread length flat countersunk head style 0.428" grip length 28 thread quantity per inch nutplate c bore between grip unjf thread series
3a thread class right-hand 0.365" thread length flat countersunk head style 0.303" grip length 28 thread quantity per inch nutplate c bore between grip unjf thread series