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 5999-01-215-0939
NSN 6135-00-203-9645
NSN 5920-01-512-1665
NSN 6650-01-508-3651
NSN 6320-01-279-0343
NSN 6130-01-226-8584
NSN 5855-00-149-0766
NSN 6650-01-501-1825
NSN 2925-01-541-5031
NSN 6240-00-054-1001
NSN 6135-00-097-8162
NSN 6645-00-003-0337