This specification covers one type of hose assembly, nonconductive, polytetrafluoroethylene, oxygen having a nominal working pressure of 3,000 psig (206.84 bar) in the operating temperature range from -65°F to +160°F (-53.89°C to 71.11°C). Intended Use: The hose assembly covered by this specification is intended for use as a servicing hose on aerospace ground servicing equipment. The use is military unique in its intended application the hose assembly will be used in charging aerospace vehicle breathing oxygen systems and must be able to operate satisfactory with a nominal working pressure of 3,000 psig (206.84 bar) at temperatures ranging from -65°F to +160°F (-53.89°C to 71.11°C).