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 6105-01-263-0727
NSN 6220-01-617-7535
NSN 5930-01-100-7974
NSN 4140-01-348-4757
NSN 5920-01-488-9390
NSN 5990-01-512-9129
NSN 6650-01-195-3957
NSN 5920-00-427-7267
NSN 5965-01-124-8772
NSN 5905-01-301-7643
NSN 5998-01-193-1594
NSN 6145-01-451-1282