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 5999-01-393-6039
NSN 5910-00-986-2773
NSN 6685-01-580-4974
NSN 6320-01-176-8367
NSN 6130-00-952-1803
NSN 5855-01-469-2798
NSN 6130-01-361-8355
NSN 7035-00-679-9027
NSN 6110-01-369-0882
NSN 6240-00-732-0496
NSN 6110-01-150-0669
NSN 6610-01-093-4710