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 6610-01-350-5590
NSN 2925-01-004-5627
NSN 6645-01-142-2416
NSN 6110-01-252-6689
NSN 7035-01-495-1090
NSN 5935-01-175-2187
NSN 6220-00-186-8565
NSN 6110-01-617-9731
NSN 5950-01-170-7841
NSN 5999-00-233-7484
NSN 6145-01-555-8131
NSN 5920-01-258-3664