Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 21B17-55-C 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 21B17-55-C It is listed as Control Unit Generator. component manufactured by Honeywell International Inc Aer, specifically under CAGE Code 64547. It is also accompanied by the NSN 6110012246954 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 6110 Electrical Control Equipment.