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 5945-01-177-2037
NSN 5835-01-632-6627
NSN 5998-01-077-8843
NSN 4140-00-018-2198
NSN 6105-01-411-6609
NSN 6240-01-593-2170
NSN 6685-01-514-6636
NSN 5920-00-956-4980
NSN 5990-01-586-8202
NSN 5915-01-536-1354
NSN 5996-00-167-3466
NSN 5990-01-521-7890