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 5998-00-560-1953
NSN 6240-00-090-9361
NSN 6610-01-367-5110
NSN 5895-00-708-2116
NSN 6110-00-819-0574
NSN 5999-00-104-5582
NSN 5996-01-393-1101
NSN 6145-01-092-4075
NSN 5975-00-172-3722
NSN 6135-00-567-1322
NSN 6320-01-610-4410
NSN 6110-00-889-1263