MIL-R-85523A, MILITARY SPECIFICATION: REGULATOR, CHEST MOUNTED, POSITIVE PRESSURE, CRU-82/P (27-JUN-1994)

MIL-R-85523A, MILITARY SPECIFICATION: REGULATOR, CHEST MOUNTED, POSITIVE PRESSURE, CRU-82/P (27-JUN-1994)., This specification covers the requirements for a positive pressure, chest mounted regulator. This regulator will be used as part of an aircraft on-board oxygen generating system (OBOGS) or an aircraft liquid oxygen system (LOX) to provide breathing gas on demand. This regulator will provide safety pressure under all conditions as well as positive pressure breathing at altitudes above 34,000 ft.