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 6645-01-227-2036
NSN 5915-01-177-5060
NSN 5996-01-586-3586
NSN 5975-01-213-6333
NSN 5910-00-132-0034
NSN 5990-01-254-3197
NSN 5990-00-132-2680
NSN 6105-01-533-5732
NSN 5998-01-167-1570
NSN 5910-01-054-4091
NSN 6645-01-473-9179
NSN 5975-01-074-7860