Commercial Aerospace Oxygen Systems Oxygen Cylinder and Valve Assembly HomeOxygen SystemsCommercial Aerospace Oxy... Oxygen Cylinder and Valve Assembly The Cobham Cylinder and Valve Assembly (part number B42365-1) is a component of aircraft gaseous emergency oxygen systems, approved for installation on commercial aircraft. Home Capabilities Customers Suppliers Careers News About Commercial Aerospace Oxygen Systems Product Contacts USA Cobham Mission Systems, Orchard Park, USA 10 Cobham Drive, Orchard Park, New York, USA 14127. Tel +1 716 662 0006 Fax +1 716 662 0747 Cobham Mission Systems Orchard Park Inc. View location Contact office