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 5855-00-293-4708
NSN 6220-01-179-8278
NSN 6220-01-386-0859
NSN 6685-01-512-9584
NSN 6150-00-116-7939
NSN 5905-01-199-5617
NSN 6105-00-373-3780
NSN 5996-00-963-1352
NSN 5920-00-324-2315
NSN 5915-01-489-0372
NSN 6110-00-097-1053
NSN 5930-00-339-1002