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 6135-01-445-6589
NSN 5990-00-503-4724
NSN 5835-01-641-0073
NSN 6320-00-521-9350
NSN 5998-00-197-8821
NSN 5996-00-707-6228
NSN 6645-00-527-6531
NSN 5965-01-633-3573
NSN 5930-00-054-2420
NSN 5915-00-936-1424
NSN 6110-01-146-5437
NSN 6685-00-501-6501