Ms part number ms27797-10-180 length 18.0; inside diameter 5/8
An ejection seat / ejection seat harness mounted system which primarily provides the pilot with oxygen from main oxygen supply in normal flying conditions. in case of emergency such as ejection, damaged hoses, and the like, it provides the same function after disconnection or deprivation from main oxygen supply. it generally consists of an oxygen regulator, a connection box, an anti-g valve, hoses, fittings, emergency oxygen suit, and the like. excludes oxygen system,aircraft survival kit.
Classification: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
NSN 5895-00-670-1783
NSN 5835-01-011-4366
NSN 5915-01-648-2126
NSN 6145-01-605-4451
NSN 7035-01-381-5411
NSN 4140-01-476-5436
NSN 4140-01-063-7192
NSN 6610-01-595-2847
NSN 6135-01-563-4445
NSN 6685-01-132-1744
NSN 6645-00-171-9639
NSN 5835-01-583-5385