Hydraulic Fittings

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There are few things more problematic and unsettling for a SkyGeek than leakage. That's why we make sure we carry a wide variety of fittings that offer leak free solutions. Fittings come in many styles including hydraulic fittings. Generally, these fittings' main purpose is to connect a hose assembly to a port or adapter; however they have other applications.

The key to selecting the right hydraulic fitting is knowing the proper corresponding assembly. Once that is known it's then a question of choosing one based on such factors as material (aluminum or steel), hose inner diameter, and pipe thread. SkyGeek offers a vast range of hydraulic fittings, particularly those that meet or exceed Air Force/Navy (AN) as well as Military Standards (MS). Be sure to peruse each series of fittings to compare the differences among similar items so that you can make a more informed purchase.


Frequently Asked Questions

What are hydraulic fittings used for in aircraft maintenance?
Hydraulic fittings are used in aircraft maintenance to securely connect hoses, tubes and other components within the hydraulic system. These fittings are designed to help maintain high-pressure fluid flow to essential systems like brakes, landing gear and flight controls. Whether you’re dealing with aircraft fittings, hydraulic hose fittings, or complete assemblies, the right connection keeps everything running smoothly.
How do I select the right hydraulic fitting for my hose assembly?
Choosing the right hydraulic fitting starts with knowing your hydraulic hose size, pressure rating and the type of fluid being used. Once you know these three components, you’ll then need to match thread type and fitting style to your system’s layout. Hydraulic fittings come in straight, 45°, 90° or swivel orientations. From AN fittings to MS fittings, compatibility is key. You should also double-check compatibility with any applicable aerospace specs. Don’t forget to consider the use of a hydraulic adapter if you’re connecting different thread types.
How do I measure hydraulic fittings?
To measure hydraulic fittings, start with the thread size and pitch. Use calipers to measure the outside diameter for male threads, or the inside diameter for female threads. Next, check the thread type with a thread gauge. Thread types include NPT, UNF and BSP. This step is especially important if you’re dealing with hydraulic line fittings.
Can I use Teflon tape on hydraulic fittings?
No. Using Teflon tape on hydraulic fittings can interfere with the sealing surface of hydraulic hose connectors, especially in high-pressure systems. Instead of using Teflon tape, choose fittings with built-in sealing mechanisms like O-rings or flare seats. For extra peace of mind, consider hydraulic fitting plugs to cap off lines during maintenance.
What materials are available for hydraulic fittings at SkyGeek?
SkyGeek offers hydraulic aircraft fittings in a range of materials including aluminum, stainless steel and brass. Whether you're replacing a hydraulic hose connector or updating your entire system, material choice matters. Aluminum keeps things light, stainless steel offers corrosion resistance, and brass brings durability.
Are SkyGeek’s hydraulic fittings compliant with AN and MS standards?
Yes. In fact, SkyGeek carries a wide range of MS fitting and AN fittings that meet or exceed AN (Army-Navy) and MS (Military Standard) specifications. That’s why our fittings are trusted by so many aviation professionals who know that in-flight failures are not an option. Whether you're looking for a single part or shopping for a discount hydraulic hose, rest assured you’re getting certified quality with every order.
What factors should I consider when comparing hydraulic fittings?
When comparing hydraulic fittings, look at material, pressure rating, thread type, temperature range, corrosion resistance and standard compliance. You’ll also want to consider how the fittings install and how well the fitting fits into your system. Whether you're browsing for hydraulic hose connectors, hydraulic hose, or hydraulic adapter parts, the goal is a leak-free, high-performance system