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 5835-00-594-4921
NSN 5985-00-111-4789
NSN 5965-01-378-7335
NSN 6650-00-959-6869
NSN 5895-01-049-8525
NSN 6610-00-807-6620
NSN 5915-00-683-8248
NSN 6110-01-051-1395
NSN 5935-00-168-6537
NSN 6150-00-862-9095
NSN 6610-00-448-6414
NSN 6650-01-258-5871