4310-00-276-0015 (T0 M1904AZ M1904AAT0M1904AZ)
4310-00-276-0015 is equivalent to manufacture part number 3N4982. 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.