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 5999-00-934-2728
NSN 5990-01-546-1649
NSN 5905-01-569-7935
NSN 6320-01-305-5881
NSN 5855-01-162-5251
NSN 6650-01-296-0883
NSN 6130-01-048-1851
NSN 5990-00-406-4991
NSN 5855-01-491-0140
NSN 5920-01-123-9854
NSN 6240-01-437-6680
NSN 7035-00-096-9986