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 6135-01-592-2765
NSN 6610-01-642-7651
NSN 5985-00-250-0541
NSN 5910-01-436-7525
NSN 6320-01-227-2648
NSN 4140-01-349-6885
NSN 6110-00-387-3911
NSN 6130-01-381-5671
NSN 6130-01-259-4661
NSN 6105-01-307-6613
NSN 5895-00-484-1496
NSN 6135-00-764-8680