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 5999-01-555-9965
NSN 7035-00-270-5519
NSN 5915-00-957-2978
NSN 6105-00-618-4401
NSN 5950-00-333-1204
NSN 5935-01-371-2781
NSN 6645-01-319-6683
NSN 6110-01-591-4413
NSN 2925-00-468-5273
NSN 4140-01-310-1988
NSN 6320-00-513-8376
NSN 6620-00-919-0163