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 4140-01-472-6833
NSN 7035-01-507-2590
NSN 6650-01-218-9337
NSN 6645-00-795-5565
NSN 6650-01-272-9746
NSN 6685-01-188-0302
NSN 5855-01-511-4046
NSN 6645-00-427-8889
NSN 6105-01-459-2589
NSN 6110-00-707-9869
NSN 5925-00-383-9707
NSN 6610-00-639-3615