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 4140-00-350-0181
NSN 5985-01-065-9815
NSN 4140-01-126-4891
NSN 6145-01-501-5780
NSN 6320-01-103-6218
NSN 5990-00-467-7431
NSN 5996-01-462-5332
NSN 4140-00-523-0410
NSN 6240-00-024-5086
NSN 5999-01-472-7499
NSN 5999-00-916-0122
NSN 2925-01-174-6786