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 5935-00-389-6325
NSN 5945-01-502-8158
NSN 6220-01-308-8029
NSN 6145-00-932-1950
NSN 5895-01-514-7241
NSN 5910-01-177-2867
NSN 5999-01-367-2843
NSN 4140-01-378-4046
NSN 5945-00-587-2498
NSN 5925-00-701-5065
NSN 6150-01-297-0529
NSN 5945-01-645-6044