10-60887-2, 28000-1, Vintage Boeing 747 Diluter Demand Oxygen Regulator

Vintage Boeing 747 Aircraft Diluter Demand Oxygen Regulator. Manufactured by Scott. P/N 28000-1. Boeing P/N 10-60887-2. NSN: 1660-00-925-6832. Installed on All Nippon Airways / ANA Boeing 747SR-81 airframe until it was removed when aircraft was retired, (registration number unkown). Sold for display only, as is, no returns will be accepted.  Multiple quantity of similar units from differnt aircraft are available. File photo. Item shipped will be in similar condition to the one shown on photo and it may have minimal chipped paint or minor scratches or light discoloration and staining on faceplate. Please email before purchasing if you need to see photo of exact item that corresponds to the above aircraft that will be shipped to you.