Self-locking
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.
Classification: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
NSN 6105-00-908-9048
NSN 6620-01-340-1503
NSN 6645-01-633-1852
NSN 6645-00-256-4072
NSN 6150-00-393-0498
NSN 6320-01-540-4885
NSN 6130-00-541-8468
NSN 5930-01-597-4991
NSN 5925-00-803-5491
NSN 5925-01-604-9139
NSN 2925-00-152-1825
NSN 5965-01-112-8758