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 6685-00-420-2781
NSN 5975-01-417-3522
NSN 6650-00-221-9425
NSN 6220-01-500-4516
NSN 6130-00-553-1946
NSN 6145-00-248-4944
NSN 6110-00-104-4663
NSN 5945-01-179-6657
NSN 6320-01-562-1599
NSN 5935-01-090-3686
NSN 5999-01-446-3395
NSN 5990-00-263-1289