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 5985-01-640-6966
NSN 7035-01-649-3339
NSN 6105-01-476-7470
NSN 6110-01-545-1839
NSN 6145-01-579-3510
NSN 5895-00-508-1877
NSN 6220-00-854-2532
NSN 2925-00-964-7128
NSN 7035-00-631-3782
NSN 6620-01-454-8926
NSN 6135-01-408-9244
NSN 6130-00-277-7321