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 5999-00-047-4614
NSN 6650-01-235-0981
NSN 6220-01-037-5622
NSN 7035-00-763-6180
NSN 5895-00-589-8183
NSN 6150-00-845-9499
NSN 5855-01-541-5569
NSN 5835-01-014-4574
NSN 6135-01-468-6491
NSN 5965-00-246-5612
NSN 5990-01-054-3332
NSN 5990-01-124-9063