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 6240-00-886-6615
NSN 5915-00-681-6299
NSN 5998-00-293-6286
NSN 6145-01-374-1899
NSN 5910-01-378-7026
NSN 5996-00-525-1777
NSN 5996-00-408-3387
NSN 6645-00-479-9334
NSN 6105-01-129-0287
NSN 5855-01-254-4557
NSN 5999-00-834-1270
NSN 5835-00-491-3834