MIL-PRF-87961C, PERFORMANCE SPECIFICATION: HOSE AND HOSE ASSEMBLIES, AIR DUCT, AIR BREATHING, OXYGEN SYSTEM (06-MAY-2020)

MIL-PRF-87961C, PERFORMANCE SPECIFICATION: HOSE AND HOSE ASSEMBLIES, AIR DUCT, AIR BREATHING, OXYGEN SYSTEM (06-MAY-2020)., This specification covers the requirements for hose and hose assemblies (see 6.9) which supply breathing oxygen to aircrews during the operation of high performance aircraft.