4810-00-337-7123 (CM5S6100-0301ALT1PC5)
4810-00-337-7123 is equivalent to manufacture part number 1387353. It is a valve seat and is classified under Federal Supply Class 4810 (4810 - Valves, Powered), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4810 - Valves, Powered and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.