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 6610-00-676-8419
NSN 5835-00-924-4268
NSN 6105-00-171-6521
NSN 5960-00-233-7537
NSN 6150-00-145-8922
NSN 6105-01-435-4376
NSN 5975-01-032-4641
NSN 5935-00-375-0736
NSN 5960-00-539-2748
NSN 5965-01-288-4736
NSN 5905-00-106-7273
NSN 6135-01-424-1114