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 5999-01-443-3392
NSN 6320-00-036-3688
NSN 6150-01-325-0156
NSN 5990-01-458-6789
NSN 5999-01-431-5798
NSN 5960-00-552-9500
NSN 6110-00-133-2429
NSN 5960-01-467-0961
NSN 5999-00-482-3436
NSN 5910-01-392-1396
NSN 6320-01-552-8721
NSN 5990-00-277-3763