5342-00-789-8409 (19713P11)
5342-00-789-8409 is equivalent to manufacture part number 19713P11. It is a backup ring and is classified under Federal Supply Class 5342 (5342 - Weapon System Hardware), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5342 - Weapon System Hardware and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.