The military unique hose assemblies covered by this specification are intended for use in exceptional fuel servicing of aircraft with aromatic hydrocarbon aviation fuel and require strict adherence to military requirements. Exceptional fuel servicing is defined for this specification as hot refueling and fueling of passenger aircraft with passengers on board. The hose assemblies will be used on pantographs, hydrant systems and fuel servicing mobile equipment where the 225 psi rated maximum working pressure includes peak surge pressure. These hose assemblies meet the strict flexibility test requirement at −40 °F and 225 psi, which complies with detailed military requirements.