Hose standard MIL-H-5593 Temperature range >-65 to +165°F (-54 to +74°C) Reinforcement One braid of high tensile fibre cord Inner tube Compounded Seamless Buna-N Description Low Pressure Engine Hose Application Vacuum service 20"Hg sizes -2 thru -6; 10"Hg sizes -8 and -10