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.
Classification: Parts and accessories for military rifles of heading 9301
NSN 6130-00-308-2768
NSN 5985-00-328-8898
NSN 5930-00-803-9856
NSN 4140-01-113-8313
NSN 6110-01-501-8313
NSN 5975-01-612-9015
NSN 6610-00-244-2816
NSN 6150-01-454-8812
NSN 6105-01-551-1696
NSN 5925-01-100-0970
NSN 5960-00-921-5805
NSN 5998-00-967-0051