2815-01-331-2662 (7700616180380)
2815-01-331-2662 is equivalent to manufacture part number 61638. It is a valve spring retainer lock and is classified under Federal Supply Class 2815 (2815 - Diesel Engines), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 2815 - Diesel Engines and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.