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 5950-01-322-5968
NSN 6130-01-533-6819
NSN 6610-01-633-8931
NSN 6135-01-306-6549
NSN 5920-01-406-5195
NSN 4140-01-445-3556
NSN 6145-01-471-7901
NSN 6650-01-119-4576
NSN 6610-01-657-7235
NSN 5945-01-435-8324
NSN 5975-00-900-9730
NSN 6130-01-258-7046