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 5985-00-569-7444
NSN 5915-00-182-8068
NSN 5935-01-582-1796
NSN 5998-01-333-5010
NSN 4140-01-266-1696
NSN 5965-01-411-9933
NSN 5960-01-563-0020
NSN 6145-00-390-0755
NSN 2925-01-219-6782
NSN 5999-01-600-0443
NSN 6685-00-593-4574
NSN 5945-00-730-1187