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 5999-01-279-0198
NSN 5905-00-554-4325
NSN 5985-00-815-0258
NSN 5999-01-514-9694
NSN 6645-01-552-0004
NSN 5855-01-321-3881
NSN 5915-01-300-0637
NSN 5945-01-487-6446
NSN 6150-01-145-1360
NSN 6145-00-155-5297
NSN 5950-00-126-5065
NSN 5950-00-136-1885