Material is a17f
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
NSN 6320-01-554-0901
NSN 6150-01-109-8389
NSN 6105-01-553-5077
NSN 5935-01-250-2326
NSN 6130-00-811-3799
NSN 6105-00-216-8067
NSN 6610-00-610-0228
NSN 5990-01-434-7913
NSN 5925-01-342-8348
NSN 7035-01-145-5059
NSN 6135-01-604-6972
NSN 5920-00-470-2903