4810-00-253-1552 (858876-1)
4810-00-253-1552 is equivalent to manufacture part number 858876-1. It is a valve seal ring set 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.