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 5945-01-549-5466
NSN 5925-01-331-8636
NSN 5920-01-354-1598
NSN 5925-00-552-5393
NSN 6610-00-727-9918
NSN 5975-01-378-3785
NSN 6150-00-771-5731
NSN 5930-01-186-9801
NSN 6320-01-239-2337
NSN 5998-00-208-9336
NSN 6645-01-633-1852
NSN 6135-01-196-2135