Boeing 727 Copilot side Diluter Demand Oxygen Regulator Control Panel as shown on photos. Manufactured by Scott Aviation. P/N 28000-1. Boeing P/N 10-60887-2. It came off American Airlines N2915 Boeing 727-1A7C. Also served time with TAG Orion AirGroup and CF Air Freight under the same N number, with Trans Caribbean as N8789R and UPS as N935UP. Removed from a retired aircraft. Sold for display only, as is, no returns will be accepted.