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 5935-00-269-5516
NSN 6220-01-434-4306
NSN 6320-01-305-5881
NSN 6130-01-580-8841
NSN 6105-00-449-1124
NSN 5915-01-297-0722
NSN 5990-00-428-1895
NSN 5920-00-506-8377
NSN 6105-01-162-8775
NSN 5925-01-378-0038
NSN 5855-01-470-3004
NSN 5960-01-331-3817