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 5985-01-441-2285
NSN 6105-01-572-6288
NSN 6105-01-548-3826
NSN 7035-01-119-2234
NSN 6130-01-224-7393
NSN 5960-01-533-5162
NSN 6150-00-741-6128
NSN 6110-00-076-8743
NSN 6130-01-165-2130
NSN 5920-00-122-0334
NSN 6645-01-633-1852
NSN 6650-01-314-3577