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 5965-00-318-6479
NSN 5935-01-409-1884
NSN 6220-01-472-8784
NSN 5960-01-250-5502
NSN 5910-01-198-2537
NSN 6135-01-391-6515
NSN 5985-01-324-7767
NSN 5990-01-101-7602
NSN 5855-00-832-9341
NSN 5945-00-484-3291
NSN 5999-00-140-9244
NSN 6645-01-565-0567