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 5945-01-149-5228
NSN 6135-01-210-8715
NSN 5990-00-155-2306
NSN 5990-01-378-7349
NSN 6130-01-027-5152
NSN 6650-01-642-0367
NSN 6610-01-533-7458
NSN 5990-01-568-5565
NSN 5996-01-345-4105
NSN 2925-01-368-1333
NSN 6145-00-647-1893
NSN 6650-01-011-0219