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 6685-01-082-1350
NSN 2925-01-372-9455
NSN 5945-00-707-2332
NSN 2925-01-049-8906
NSN 5930-00-832-4767
NSN 6145-00-830-8210
NSN 5925-01-281-5503
NSN 4140-01-149-1300
NSN 5855-01-100-3272
NSN 5910-01-320-0461
NSN 5835-01-347-8714
NSN 2925-00-566-4522