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 6620-01-542-5569
NSN 6650-01-355-4559
NSN 5998-01-494-6054
NSN 5975-01-514-2798
NSN 6130-01-185-7756
NSN 5855-00-281-3843
NSN 5945-00-625-4718
NSN 6610-01-533-6046
NSN 6650-01-643-0534
NSN 5960-01-349-8791
NSN 5925-01-467-9910
NSN 5998-00-927-9831