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 6220-01-514-7024
NSN 6610-01-337-4640
NSN 6685-01-487-2084
NSN 6650-01-537-2175
NSN 5945-01-327-2697
NSN 6650-01-369-6536
NSN 5835-00-838-0707
NSN 5950-01-346-6019
NSN 5910-00-064-3199
NSN 6620-01-160-3475
NSN 5895-00-113-4647
NSN 6145-01-626-6521