Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number B49221-1 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 B49221-1 It is listed as Hardshell Oxygen Mask Parachutis. component manufactured by Carleton Technologies Inc, specifically under CAGE Code 04577. It is also accompanied by the NSN 1670015753137 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 1670 Parachutes Aerial Pick Up Delivery Recovery Systems and Cargo Tie Down Equipment.