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 5999-01-201-7425
NSN 6135-00-182-7008
NSN 5925-00-812-1987
NSN 5835-01-470-2157
NSN 5935-01-122-2891
NSN 5895-00-456-0830
NSN 4140-01-495-4981
NSN 6145-01-252-1449
NSN 6320-01-129-9656
NSN 5950-01-299-5519
NSN 5990-01-164-8673
NSN 5905-01-327-3678