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 5895-01-301-5574
NSN 6320-00-405-2348
NSN 5960-00-440-0336
NSN 6220-01-008-7401
NSN 6645-00-363-9775
NSN 4140-01-503-1420
NSN 5975-00-152-9350
NSN 6620-00-607-6990
NSN 6110-01-390-6748
NSN 6130-01-419-4671
NSN 5999-01-340-6140
NSN 5925-01-623-7022