Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 1601953-1 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 1601953-1 It is listed as Parts Kit Regulator. component manufactured by Carleton Life Support Systems In, specifically under CAGE Code 99251. It is also accompanied by the NSN 1660004004228 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 1660 Aircraft Air Conditioning Heating and Pressurizing Equipment.