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 5965-01-366-5900
NSN 5990-01-033-7035
NSN 6135-01-628-1688
NSN 6130-01-438-5564
NSN 6135-01-124-2376
NSN 5950-00-174-3655
NSN 6620-00-362-2400
NSN 5895-01-196-6950
NSN 5990-01-462-1617
NSN 5910-01-633-9963
NSN 7035-00-251-8201
NSN 2925-01-468-7073