20x.625
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 6220-00-150-0039
NSN 5915-00-078-9574
NSN 6650-01-629-9480
NSN 5998-01-615-6206
NSN 6685-01-656-0073
NSN 6145-01-178-5724
NSN 5905-01-006-0090
NSN 6105-00-878-0959
NSN 5835-01-143-9143
NSN 5855-00-763-2155
NSN 7035-01-003-9142
NSN 5935-00-259-1624