4320-00-346-6489 (AV4S47-017PC8T0100S)
4320-00-346-6489 is equivalent to manufacture part number 09455A61. It is a steam piston ring assembly 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.