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 5985-00-771-6418
NSN 5965-01-479-9155
NSN 6220-01-427-2333
NSN 5925-00-327-1984
NSN 6105-01-530-3596
NSN 6220-00-571-1958
NSN 5925-01-152-1188
NSN 5945-01-354-9835
NSN 5935-01-058-7776
NSN 5999-00-122-4899
NSN 6220-00-453-6973
NSN 5925-01-461-9298