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 5945-00-927-1759
NSN 5975-01-160-6435
NSN 5945-00-901-3048
NSN 6645-01-421-4007
NSN 5905-01-497-0973
NSN 5915-01-516-7371
NSN 6620-01-189-8153
NSN 6130-00-325-9131
NSN 2925-00-827-2326
NSN 5855-01-629-0954
NSN 4140-01-540-1296
NSN 5999-01-319-2522