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 6320-00-313-9114
NSN 4140-00-978-9590
NSN 6110-00-553-8816
NSN 5935-00-036-1329
NSN 5985-01-269-1260
NSN 5905-01-226-8298
NSN 5990-01-370-4785
NSN 7035-00-541-8516
NSN 5910-01-233-5720
NSN 5915-00-233-6346
NSN 6105-01-174-3178
NSN 5855-00-757-5149