Aerospace Fittings

Aerospace Fittings

What are Aerospace Fittings?

Aerospace and military sectors require fittings and other components that meet strict requirements. Aerospace fittings get used in fluid-based systems to ensure optimal performance and long service life. They adhere to the Aerospace Standard (AS) laid by the Society of Automotive Engineers (SAE).

Their most common application is manufacturing and repairing heavy machinery, CNC milling machines, etc. Industries like construction and commercial equipment also turn to these fittings when they need connections for severe environments.

Usually, aircraft tube fittings employ O-rings and could be straight or flat-face. Flareless fittings based on compression are best for aerospace equipment.

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What are Aerospace Fluid Connectors?

These connectors operate at different pressures in the aerospace, military, and commercial sectors to connect components in fluid-based systems. Aerospace fluid connectors conform to the SAE Aerospace Standards. These connectors get specially built to meet aerospace thread specifications. The prime benefit is to promote security and service life in airframe flight parts.

They get manufactured from aluminium, stainless steel, or special alloys. You can find them in different shapes, styles, and sizes, like elbows, unions, tees, and reducers.

You can use adapters to convert to standard JIC or NPT threads. Aerospace hydraulic fittings and connectors establish secure connections for testing, ground support, and maintenance in this sensitive sector.

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What are aircraft flareless fittings?

The aerospace sector uses different connections based on environmental conditions and necessary performance. Aviation flareless fittings work in medium-pressure applications but can also handle high pressure. These fittings use a nut, a ferrule (single or double), and the body. The ferrule gets pushed against the tube to generate a snug seal when you tighten the nut.

Aircraft flareless fittings rely on military standards when the pressure exceeds 3,000 psi. These connections don’t need flaring but offer a reliable seal in duress with a counterbore shoulder. It stops the tube from collapsing inward as the nut gets tightened.

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What are Aerospace Swivel Joints?

Several components in air management require fittings that can withstand severe pressure. Aerospace standard fittings and swivel joints offer torsion-based rotation in conveyance applications. The swivel is the movable part that reduces the stress on the hose or pipe. For instance, you will find them in landing gear, doors, aircraft refuelling trucks, retractable parts, etc. These joints enable a dynamic movement of fluid in the corresponding tubing.

Swivel joints are imperative in components that experience excess movement and vibration. Sometimes, air management installations can experience alignment problems between the ducting and the mating areas. These connections combat this problem and ensure overall smooth performance.

Aerospace hydraulic fittings for fluid transmission in the aerospace industry

Aerospace Couplings

Coupling is a mechanical technique to connect fittings and hoses in hydraulic systems. You can use various aircraft hydraulic fittings types and aerospace couplings based on the requirement. These couplings can withstand high pressures and meet stringent quality standards suitable for aircraft parts.

They often feature in ground service equipment (GSE). Quick-disconnect couplings generally get employed in ground support carts. In contrast, non-lock couplings work best for electronic cooling systems. Fill-overfill couplings are an excellent option for gas turbine engines. Other variations include non-latching and thread-to-connect coupling.

Many aerospace couplers comprise self-sealing valves. It helps avoid fluid spillage in conveyance systems that experience extreme pressure and temperature.

Aerospace fluid connectors and aircraft flareless fittings in various thread types


Aerospace fittings offer superior strength and longevity, which makes them attractive for other critical industries. Aerospace fluid fittings in construction works and commercial equipment display high performance and durability. These fittings adhere to strict quality standards and provide leak-proof seals throughout their operational life.

An immense advantage of these fittings is their capacity to handle extreme temperatures, pressures, and vibrations. They can also manage the external mechanical load. Many manufacturers now offer aerospace-certified specifications but can get selected for other sectors.

You can get these connections in different styles, such as aerospace flare fittings and flareless. O-ring options are handy and easy to install.