An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 4140-01-172-8370
NSN 6145-01-346-0144
NSN 7035-01-280-4692
NSN 6105-01-617-0065
NSN 2925-01-014-0118
NSN 5935-01-261-3110
NSN 2925-00-021-9580
NSN 5920-01-345-8530
NSN 6110-01-610-1756
NSN 2925-00-474-4990
NSN 5999-01-275-4926
NSN 5999-00-129-1950