3a thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.865" grip length 28 thread quantity per inch cadmium expander surface treated unjf thread series
Used on f-18 e/f. 3a thread class right-hand flush countersunk head style 0.308" grip length 28 thread quantity per inch pin-rivet, threaded, shear, 100 degree c'sunk head, hex point unjf thread series
Used on minesweeper. right-hand 8 thread quantity per inch this item is called a dog bolt on the drawing, which is part of a dog bolt assembly that includes a nut, collar, drop, round, closed acme thread series
Used on C-5. 3a thread class right-hand 0.330" thread length dee head style 28 thread quantity per inch bolt-wheel lock, anti-skid, mlg nha 4G29023-103a; used on MA001a: hole in shank 0.075/0.080-0.116"from threaded end unf thread series
