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 6150-01-261-3036
NSN 6620-01-429-9115
NSN 5910-01-456-1923
NSN 5945-01-083-9127
NSN 5975-00-246-4906
NSN 5998-00-888-9887
NSN 5855-01-580-8155
NSN 5915-01-535-6666
NSN 5925-01-039-7068
NSN 6320-01-627-8295
NSN 6150-01-425-8436
NSN 5985-01-044-4281