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 5835-01-350-9701
NSN 6220-01-245-6272
NSN 5965-01-549-4942
NSN 5935-00-495-7705
NSN 4140-01-485-0474
NSN 5920-01-463-9753
NSN 5910-00-833-3034
NSN 6685-01-543-5243
NSN 6320-00-456-2092
NSN 5950-01-025-6732
NSN 5990-00-946-0919
NSN 6645-01-421-4007