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 4140-01-534-9987
NSN 6105-01-027-1135
NSN 5960-01-112-0721
NSN 6645-01-201-3268
NSN 6320-01-388-3125
NSN 6150-01-414-6874
NSN 5965-00-913-9545
NSN 2925-01-371-6853
NSN 6240-00-146-9322
NSN 6645-01-279-7647
NSN 6135-01-124-2376
NSN 5920-01-186-6335