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 5935-01-148-1893
NSN 6135-01-388-8376
NSN 6150-01-561-9758
NSN 6320-01-089-9086
NSN 5960-00-726-0580
NSN 6135-01-242-6484
NSN 5985-01-545-9315
NSN 6620-00-470-3219
NSN 4140-01-442-7799
NSN 5905-01-528-5348
NSN 6220-01-422-3602
NSN 5950-01-394-4931