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 4140-00-152-7092
NSN 5960-01-430-3911
NSN 5999-01-231-9354
NSN
NSN 6135-00-203-9645
NSN 6130-01-081-2360
NSN 6610-01-388-0563
NSN 5950-00-233-7344
NSN 5975-01-382-4618
NSN 6650-01-016-0406
NSN 5945-01-278-9211
NSN 6145-00-679-3142