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 5835-00-454-7239
NSN 5835-01-276-4621
NSN 5950-00-194-3048
NSN 6150-01-023-1516
NSN 6105-01-406-2828
NSN 6610-00-119-2839
NSN 5965-01-257-8926
NSN 5855-01-049-5354
NSN 5925-00-740-9996
NSN 6240-00-391-6402
NSN 5945-01-012-2448
NSN 5855-01-224-7975