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 6130-01-221-4444
NSN 5895-01-158-3529
NSN 6110-01-509-0338
NSN 5915-00-626-2901
NSN 5930-01-654-5399
NSN 6645-00-363-9775
NSN 6240-00-248-6517
NSN 5910-01-365-6760
NSN 6135-01-265-1384
NSN 5920-01-612-0528
NSN 5925-01-059-0275
NSN 5965-01-178-7853