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 6110-01-580-0855
NSN 5965-01-389-7058
NSN 4140-01-554-2380
NSN 6130-01-463-8672
NSN 6320-00-242-3300
NSN 6150-01-265-0724
NSN 5915-00-557-8178
NSN 5998-00-843-1125
NSN 5835-01-566-5462
NSN 5945-01-462-4436
NSN 5905-01-033-2813
NSN 5895-01-627-3188