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 6320-01-160-0416
NSN 6320-01-512-2031
NSN 6145-00-655-2738
NSN 4140-01-160-7699
NSN 5960-00-788-2976
NSN 6320-00-931-4855
NSN 5895-01-543-5670
NSN 6145-01-547-6651
NSN 5998-01-206-3431
NSN 5965-00-281-0319
NSN 5998-00-452-0329
NSN 5965-01-213-0338