Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number B507758 ISSUE B 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 B507758 ISSUE B It is listed as Ring Extension. component manufactured by Elsan Ltd, specifically under CAGE Code K0389. It is also accompanied by the NSN 2840995776039 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 2840 Gas Turbines and Jet Engines Aircraft Prime Moving and Components.