2815-01-209-0892 (8N8509)
2815-01-209-0892 is equivalent to manufacture part number 4AC. It is a crankcase explosion relief valve 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.