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 6110-01-382-9706
NSN 5985-01-661-3626
NSN 5999-01-485-7607
NSN 5998-01-081-1785
NSN 5975-00-280-6744
NSN 5985-00-269-2599
NSN 5965-01-323-7225
NSN 6150-01-038-1692
NSN 5935-01-512-0637
NSN 7035-01-223-4097
NSN 6645-00-815-5448
NSN 6150-01-472-6955