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 5915-00-820-2768
NSN 5990-01-571-7468
NSN 5950-01-146-4329
NSN 5925-01-113-8272
NSN 5930-01-192-2364
NSN 5996-00-169-1618
NSN 5998-01-420-6280
NSN 6240-01-459-0494
NSN 7035-01-075-7457
NSN 6685-01-360-0374
NSN 5915-00-343-6814
NSN 6145-00-239-2143