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 5925-00-657-3092
NSN 5915-01-453-7803
NSN 5915-01-395-1483
NSN 5985-00-146-4868
NSN 6320-01-202-8761
NSN 6610-00-300-4774
NSN 6105-00-594-3530
NSN 4140-01-458-5569
NSN 5965-01-474-0730
NSN 6320-01-082-2970
NSN 6320-01-212-8749
NSN 6150-00-181-1711