Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 521940 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 521940 It is listed as Maneuvering Unit. component manufactured by Westinghouse Air Brake Technolog, specifically under CAGE Code 82722. It is also accompanied by the NSN 2030002169415 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 2030 Deck Machinery.