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 5998-01-419-9888
NSN 6645-00-439-4087
NSN 5910-01-360-6595
NSN 5835-00-092-1136
NSN 6240-01-221-9093
NSN 5910-00-757-1599
NSN 6320-01-616-0843
NSN 6130-00-484-4289
NSN 6220-01-272-9239
NSN 6130-00-072-9854
NSN 5855-01-398-9548
NSN 5950-01-645-2081