Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 5821 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 5821 It is listed as Parts Kit Air Start Coupling Ass. component manufactured by B And R Systemstec Inc Dba Rjr, specifically under CAGE Code 05LP8. It is also accompanied by the NSN 4730009099837 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4730 Hose Pipe Tube Lubrication and Railing Fittings.