A regulator designed to deliver pure breathing oxygen automatically when the user inhales, within a maximum operating altitude of 35,000 feet (10,668 m).
NSN 6320-01-039-5891
NSN 5925-01-395-0554
NSN 6220-00-060-8123
NSN 6110-00-351-6736
NSN 5915-01-474-0632
NSN 5998-01-654-0184
NSN 4140-01-583-9725
NSN 5915-01-420-5777
NSN 6220-00-853-3503
NSN 5998-01-410-3438
NSN 5895-00-821-9067
NSN 5996-01-185-2995