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 6645-01-023-8020
NSN 6150-01-068-4672
NSN 6150-01-461-7640
NSN 5930-00-632-2744
NSN 5935-01-226-7816
NSN 6645-01-551-3703
NSN 4140-00-686-4894
NSN 2925-01-580-1527
NSN 6105-01-634-0322
NSN 7035-01-406-5232
NSN 6650-01-535-1120
NSN 6240-01-463-8276