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 5930-00-226-1399
NSN 6610-00-227-8846
NSN 2925-00-480-9068
NSN 5960-01-372-2904
NSN 6220-01-145-1183
NSN 6645-00-955-7997
NSN 5945-00-878-1984
NSN 5996-01-206-4104
NSN 6320-01-211-6578
NSN 6220-01-632-8217
NSN 6105-00-869-6642
NSN 5990-01-338-2103