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 5895-01-411-3161
NSN 6105-00-563-5398
NSN 5950-00-323-1680
NSN 5965-00-028-9646
NSN 5915-01-528-2523
NSN 6145-01-266-4105
NSN 5965-01-098-1306
NSN 2925-01-097-0903
NSN 6130-01-583-3213
NSN 6220-01-423-6444
NSN 6620-01-483-1138
NSN 6105-01-164-5302