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 6150-00-489-0529
NSN 5930-00-681-9267
NSN 5975-01-378-6917
NSN 5895-00-888-4719
NSN 5920-01-414-2393
NSN 6610-00-773-3004
NSN 5930-01-076-8891
NSN 6145-00-226-1194
NSN 6145-01-013-4068
NSN 6240-01-064-5348
NSN 5996-01-049-7841
NSN 5996-01-560-6587