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 6150-01-364-7839
NSN 5920-00-642-9908
NSN 6150-01-298-1829
NSN 7035-01-631-7017
NSN 6320-01-064-0372
NSN 5950-01-094-2948
NSN 5855-01-027-1571
NSN 6645-01-191-0107
NSN 7035-00-946-2642
NSN 6110-00-435-8007
NSN 6645-01-500-0827
NSN 5855-01-406-7237