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 5945-00-370-9477
NSN 6645-00-067-5962
NSN 5920-01-333-2376
NSN 6650-01-107-7553
NSN 5835-00-838-0707
NSN 2925-00-450-7783
NSN 5905-01-123-8993
NSN 5835-01-241-1090
NSN 6220-01-180-9041
NSN 4140-01-559-8485
NSN 5975-01-067-9134
NSN 6145-01-364-0346