4310-00-138-2875 (131-63692-210)
4310-00-138-2875 is equivalent to manufacture part number 131-63692-210. It is a piston ring and is classified under Federal Supply Class 4310 (4310 - Compressors and Vacuum Pumps), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4310 - Compressors and Vacuum Pumps and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.