Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 83B-503-2 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 83B-503-2 It is listed as Fuse Electrical. component manufactured by Challenger Electrical Equipment, specifically under CAGE Code 21810. It is also accompanied by the NSN 5920013082023 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5920 Fuses Arresters Absorbers and Protector.