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 5925-00-279-3479
NSN 6110-01-411-8830
NSN 6135-01-578-1148
NSN 5915-01-367-2056
NSN 5945-00-807-6148
NSN 6320-01-334-5305
NSN 5950-00-009-1586
NSN 6145-01-094-0929
NSN 5855-01-381-6052
NSN 4140-00-272-6538
NSN 6145-00-233-6010
NSN 5935-01-281-2758