4320-12-340-6327 (3001-AXK03)
4320-12-340-6327 is equivalent to manufacture part number 072728. It is a pump piston and is classified under Federal Supply Class 4320 (4320 - Power and Hand Pumps), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4320 - Power and Hand Pumps and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.