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 5835-00-111-3419
NSN 6685-01-381-6670
NSN 5855-00-281-3843
NSN 2925-00-964-7128
NSN 5960-01-426-4242
NSN 6685-00-487-6343
NSN 5910-01-075-9478
NSN 5998-00-858-6498
NSN 6685-01-223-7564
NSN 6650-01-318-7254
NSN 5835-00-922-1263
NSN 6650-00-597-7313