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 6685-01-510-9575
NSN 5960-00-454-6402
NSN 5935-00-171-8837
NSN 5999-01-258-4790
NSN 6130-01-415-0590
NSN 5945-01-339-2861
NSN 4140-00-732-9427
NSN 5930-01-248-3489
NSN 5975-01-564-6001
NSN 5975-00-695-4793
NSN 6620-01-363-8362
NSN 6650-01-013-9334