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 5930-01-553-5122
NSN 5930-01-452-0080
NSN 6220-00-138-5969
NSN 5835-00-931-5568
NSN 6130-01-008-1028
NSN 5998-01-524-9277
NSN 5950-01-363-3356
NSN 5945-01-588-0884
NSN 6130-00-132-1839
NSN 6645-01-381-6084
NSN 6145-01-456-2222
NSN 4140-01-102-4616