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 6620-01-446-2258
NSN 5996-00-525-1777
NSN 6105-01-069-2911
NSN 4140-01-040-9514
NSN 5920-01-587-5188
NSN 5835-01-587-8787
NSN 5895-01-278-0777
NSN 6320-00-894-1644
NSN 5930-00-082-0762
NSN 5855-01-289-4650
NSN 5965-01-449-1101
NSN 5985-00-926-2593