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 6220-00-116-7558
NSN 6220-01-280-3983
NSN 6610-01-176-3539
NSN 5855-01-431-3531
NSN 4140-01-394-3268
NSN 6320-01-039-5891
NSN 6240-00-450-0675
NSN 6320-01-585-8468
NSN 6650-00-991-1265
NSN 5960-00-917-9719
NSN 6150-01-260-4133
NSN 5950-01-416-2971