4510-00-697-8161 (2)
4510-00-697-8161 is equivalent to manufacture part number 2. It is a seat and washer set and is classified under Federal Supply Class 4510 (4510 - Plumbing Fixtures and Accessories), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4510 - Plumbing Fixtures and Accessories and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.