Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 21A18-04C26-6 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 21A18-04C26-6 It is listed as Hose Air Duct. component manufactured by Seal Dynamics Llc, specifically under CAGE Code 5N582. It is also accompanied by the NSN 4720016237878 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4720 Hose and Flexible Tubing.