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 5998-01-429-2073
NSN 6610-01-180-5034
NSN 6650-00-936-7910
NSN 6105-00-460-3852
NSN 5945-01-442-5565
NSN 5999-00-179-0149
NSN 6650-01-389-0225
NSN 7035-01-381-5411
NSN 5960-00-281-0824
NSN 6240-00-548-3992
NSN 5920-01-412-8415
NSN 7035-01-269-5700