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 4140-01-145-4474
NSN 7035-01-385-3628
NSN 6645-01-226-6573
NSN 4140-01-363-4666
NSN 6105-01-211-4651
NSN 5905-01-358-2853
NSN 5985-01-229-3077
NSN 6685-01-453-5724
NSN 5965-01-004-9404
NSN 5855-00-472-2055
NSN 6105-01-054-9536
NSN 5935-00-780-3351