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 5905-00-216-8671
NSN 6645-01-363-5944
NSN 6610-01-442-3509
NSN 6105-01-223-7307
NSN 5855-01-161-8964
NSN 5905-01-521-6066
NSN 5998-00-789-5348
NSN 5930-00-320-8521
NSN 6240-01-386-4594
NSN 6220-00-149-0977
NSN 5935-01-123-8404
NSN 6135-01-290-6487