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 6610-00-837-3012
NSN 6135-01-512-8105
NSN 6645-00-450-2209
NSN 5985-01-144-2975
NSN 5996-01-368-3290
NSN 6145-01-471-7901
NSN 6610-01-368-8344
NSN 5965-01-406-4164
NSN 5985-01-616-7588
NSN 6145-00-465-0554
NSN 2925-01-228-6554
NSN 6110-00-960-7341