3040-00-363-5439 (T0 1904AZ M1904AAT01904AZ)
3040-00-363-5439 is equivalent to manufacture part number 2520003635439. It is a piston ring and is classified under Federal Supply Class 3040 (3040 - Miscellaneous Power Transmission Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 3040 - Miscellaneous Power Transmission Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.