https://aerospace.honeywell.com/us/en/products-and-services/product-details.partnumber-974901-2
974901-2 - PLATE, DIAPHRAGM, BACKING
974901-2 - PLATE, DIAPHRAGM, BACKING Honeywell new, used, exchanges, repairs, overhaul, test, or modify services. Buy online, get technical support
platediaphragmbacking