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 5998-01-413-6891
NSN 6645-00-192-1152
NSN 6620-01-281-3542
NSN 5925-01-050-6571
NSN 5930-00-539-3691
NSN 5895-00-827-0240
NSN 5935-01-394-4968
NSN 6685-01-381-7207
NSN 4140-01-139-6192
NSN 2925-00-831-7024
NSN 5915-00-198-3881
NSN 6645-01-373-2262