Blackened
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 6685-01-419-1761
NSN 6145-00-180-9815
NSN 5975-01-223-1962
NSN 5999-00-406-8771
NSN 5925-00-958-8215
NSN 7035-00-215-3272
NSN 6135-01-252-0315
NSN 5935-00-675-4476
NSN 5965-01-406-0766
NSN 5998-01-110-1322
NSN 5960-00-263-0106
NSN 6320-01-021-6633