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 6610-00-323-8175
NSN 5945-01-441-6458
NSN 5990-01-254-3197
NSN 6130-00-849-1190
NSN 5999-01-100-3918
NSN 5835-00-779-2836
NSN 6220-00-358-7334
NSN 5935-00-767-5785
NSN 2925-01-157-9204
NSN 5920-01-038-7388
NSN 6685-00-775-7579
NSN 6645-00-596-5388