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Eaton Aeroquip Hose 303-10 5/8
MFR Model# 303-10
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| Description | Tubing Size | Hose ID | Max PSI | Wgt/Ft | Part No. |
|---|---|---|---|---|---|
| Aeroquip 303 Hose | 5/8 | 1/2 | 1750 | .372 | 303-10 |
Overview
| 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. |
 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. |
Reviews
Great product, requires some muscle to get the hose ends to start. My advice, buy the mandrels for the hose size you are using. Without the mandrel you will most likely create a flapper valve on the inner wall of the hose and cause oil or fuel starvation. Use lots of oil in the hose and on the fittings during assembly. The 303 hose will most likely outlive the installer, its a solid and reliable product.
Tough stuff! But worth it!
Verified Purchase
Eaton Aeroquip Hose 303-10 5/8
Good
Hose worked fine and will last a long time!
Just what I needed
Arrived quickly and is perfect for manufacturing my replacement brake lines,
Easy to work with.
just what I ordered, a length of 303 hose
Areoquip 303 hose does the job in my cherokee.
This is the ticket for replacing fuel lines in early, six cylinder Cessnas. I tape where I’ll be cutting it with a couple layers of tightly wrapped masking tape, then cut it with a fine toothed, bi-metal hacksaw. I then peel off the tape and trim back the outer cotton wrap and steel braiding about 1/8” and it’s ready to be screwed into the fitting: counter-clockwise (lefty-tighty). use plenty of oil on the inner fitting before you thread that inside the hose: clockwise (righty tighty). Use a mandrel! If you’re too broke to buy a new one, watch eBay for a used one, or borrow one.
Q&A
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Yes, the factory gives an 8 year shelf life on 303 hose.
No, Aeroquip 303 hose requires 491 Aeroquip fittings.
Eaton recommends you replace the 303 hose after 5 years of service.
Yes, it is priced and sold by the foot.
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.
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.
It is recommended to use Stratoflex fittings with Stratoflex hose, and Aeroquip fittings with Aeroquip hose. The Aeroquip 303 and Stratoflex 111 are equivalent to each other, and some have used parts interchangeably, but we have no documentation as to how well they will work.
This hose is priced and sold by the foot. When you enter quantity, you are entering the number of feet you would like to order.
0.453 OD.
303 hose has an excellent resistance rating to ethanol per Eaton's fluid compatibility chart.
