Aeroquip 303 Hose

• Tubing Size 5/8
• Hose ID 1/2
• Max PSI 1750
• Wgt/Ft. .372

This standard hose is used in medium pressure A/C hydraulic, fuel, oil and coolant systems. An inner tube of seamless synthetic rubber is reinforced with a synthetic-impregnated single-wire braid over a single cotton braid and an outer cover of synthetic-impregnated oil-resistant cotton braid. Operating temperature -65 to 250F. Conforms to MILH-8794 (supersedes MIL-H-5511A). Used with Aeroquip 491 hose fittings. Sold by the foot.

Does this hose have a shelf-life?
Yes, the factory gives an 8 year shelf life on 303 hose.

Can you use regular AN fittings on this Aeroquip 303 hose?
No, Aeroquip 303 hose requires 491 Aeroquip fittings.

If this hose is used for fuel line, and is installed within its shelf life, is its installed service life limited to 8 years before needing replacement?
Eaton recommends you replace the 303 hose after 5 years of service.

Is the Aeroquip 303 hose priced and sold by the foot?
Yes, it is priced and sold by the foot.

Does the Aeroquip 303 hose contain any metal or wire? Is it conductive?
The tech data sheet shows the Aeroquip 303 hose has a carbon steel wire braid reinforcement. It does not give any information regarding how conductive it may be.

Do you still need to use fire sleeve for this Aeroquip 303 hose?
It is up to you if you would like to use a firesleeve on this hose or not. It will all depend on your application if you were to need a firesleeve. If you were to get a fire sleeve for hose 303-4 for example, you will need to get P/N# 05-01843.