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 6320-01-214-0350
NSN 7035-01-384-7573
NSN 5915-01-356-3364
NSN 6110-00-189-8871
NSN 5999-01-437-3910
NSN 5999-01-065-1646
NSN 5895-01-510-3517
NSN 5998-01-491-8496
NSN 5905-01-452-6964
NSN 4140-00-596-4726
NSN 2925-00-146-0179
NSN 5999-01-460-2848