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 5910-01-321-4017
NSN 6645-01-344-0226
NSN 5998-00-496-2249
NSN 4140-00-501-7833
NSN 6650-01-061-0613
NSN 6135-00-738-5571
NSN 5935-00-295-6966
NSN 5905-01-429-9072
NSN 5945-01-604-8977
NSN 5998-00-133-3459
NSN 5990-01-215-0590
NSN 6220-00-505-1599