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Eaton Aeroquip Hose 303-4 1/4
MFR Model# 303-4
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| Description | Tubing Size | Hose ID | Max PSI | Wgt/Ft | Part No. |
|---|---|---|---|---|---|
| Aeroquip 303 Hose | 1/4 | 3/16 | 3000 | .132 | 303-4 |
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
Verified Purchase
Eaton Aeroquip Hose 303-4 1/4
Perfect for application
Verified Purchase
Eaton Aeroquip Hose 303-4 1/4
These are quite rigid, being multi-layered with protection.
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Eaton Aeroquip Hose 303-4 1/4
If youre planning on picking up at will call, check the hours for the shop. My store was open on Saturdays but the shop side was closed. Plan accordingly.
Verified Purchase
Eaton Aeroquip Hose 303-4 1/4
Verified Purchase
Eaton Aeroquip Hose 303-4 1/4
Verified Purchase
Eaton Aeroquip Hose 303-4 1/4
As ordered. Shipped promptly. Shipping took 6 days.
Verified Purchase
Eaton Aeroquip Hose 303-4 1/4
Exactly what I ordered, packaged securely, delivered next day at a fair price. What more could you ask for?
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Eaton Aeroquip Hose 303-4 1/4
Good hose
Verified Purchase
Eaton Aeroquip Hose 303-4 1/4
Good Versatile hose. Typically lasts much longer than expiration date if stored in a dark area. Once in service, change it once every 5 - 6 years. 👍🏽
Verified Purchase
Eaton Aeroquip Hose 303-4 1/4
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.
