Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 7-05042-400 with rapid responses always offered by our staff. To ensure that you locate and procure exactly what you need with ease, we list parts with as much information as we can. For example, part number 7-05042-400 It is listed as Backing Ring. component manufactured by Ge Aviation Systems Llc Div Cust, specifically under CAGE Code 058R3. It is also accompanied by the NSN 5330004532909 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5330 Packing and Gasket Materials.