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 6645-00-789-5210
NSN 6620-01-414-4578
NSN 5925-01-035-5643
NSN 5925-00-984-9125
NSN 5950-00-288-1812
NSN 6650-00-185-3133
NSN 5910-00-017-2731
NSN 5996-01-370-6593
NSN 5990-00-548-6163
NSN 6135-01-127-0173
NSN 7035-01-166-2473
NSN 5960-01-632-6576