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Hydraulic Fittings

Hydraulic Fittings & Adapters - JIC, NPT, 316 Stainless Steel

Stainless Steel Hydraulic Fittings & Adapters - Made In The USA

Jupiter Stainless & Alloy stocks high quality Hydraulic fittings & adapters in 316 stainless steel. Hydraulic 37° JIC adapter fittings have a 37° cone seat on the female adapter and a 37° flare on the male adapter. This cone seat and flare allows for a complete mechanical seal between the male and female fitting. JIC fittings are an excellent choice for preventing leaks and can be used for higher pressure applications. These JIC fittings are equivalent to JIC fittings from Parker, Eaton, Aeroquip and Weatherhead. 

We also offer JIC to NPT adapters and unions. NPT thread seals when the male taper mates with the female taper, crushing the thread and creating a mechanical lock. It is recommended to use Teflon tape or pipe thread sealant to prevent leakage. Pipe fittings are uniform across most manufacturers and are equivalent to fittings from Parker Hydraulics, Eaton Aeroquip and Weatherhead.

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18 products

What Are Hydraulic Fittings?

Hydraulic Fittings are typically attached to the end of a hose, pipe or tube and are used to convey fluids like hydraulic fluids, fuel, oil or gases throughout a system. Hydraulic fittings are usually either a 37° flare, NPT or flareless configuration and made from carbon steel or stainless steel. The most common alloy for hydraulic fittings is 316 stainless steel.

Common Applications

Hydraulic fittings are used mostly in hydraulic systems on aircraft, power turbines & heavy equipment but can be used outside hydraulic systems as well. Typically you will find hydraulic fittings on the ends of hoses, tube assemblies or piping but they can also be used to adapt 2 hoses or a hose and a tube together without the chance of leaking.

Benefits of Hydraulic Fittings

The benefit of using hydraulic fittings and adapters is the flexibility it give you in your system. There are many different situations where you need to adapt a hose to a tube or one type of connection to a different type of connection. Hydraulic fittings and adapters give you the flexibility to change or adapt to what needs to be changed and know you will be able to adapt and seal the connection efficiently. 

How to Buy Hydraulic Fittings

When buying hydraulic fittings and adapters please make sure you pay attention to the root of the part number.For example a 2403 is a 37° JIC union while a 2404 is a 37°JIC x Male Pipe Thread. If you dont pay attention to the root of the part number you could choose the incorrect hydraulic fitting. Online Metals Depot stocks our hydraulic fittings and adapters in 316 stainless steel.

Our Quality Guarantee

Jupiter Stainless & Alloy hydraulic fittings and adapters are made from certified material and come with material test reports for verification. Also all of our hydraulic fittings are proudly MADE IN THE USA!

Our Shipping Guarantee

Jupiter Stainless & Alloy typically ships out same day or next day after order. In some situations it may be longer but we will contact you in those rare circumstances.

Also be sure to checkout our Aerospace Fittings page.