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 5910-00-203-0566
NSN 5960-01-033-5071
NSN 6645-00-678-0914
NSN 4140-00-242-3574
NSN 6650-01-502-7316
NSN 6610-01-479-7353
NSN 6610-01-541-5034
NSN 5950-01-446-7573
NSN 5945-01-384-9780
NSN 5835-00-711-3371
NSN 5990-01-074-6549
NSN 6610-00-320-4162