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UNION (P/N 891390) - New Surplus

P/N: 891390

Category: Fittings & Adapters

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In Stock (3 available)
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This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).

Available Inventory

Condition Stock
New Surplus 3 Available

Product Description

The 891390 is a straight tube union that joins two rigid fluid lines end-to-end in aircraft hydraulic systems. This fitting features 37-degree flared ends conforming to AN/AS standards for leak-free connections. The union maintains system integrity under hydraulic pressure while allowing line segments to connect without additional adapters.

Installation requires proper torque per aircraft maintenance manual specifications and compatibility verification with your system's illustrated parts catalog. Commonly used in main and auxiliary hydraulic circuits on general aviation and transport aircraft.

Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.

Frequently Asked Questions

What is the UNION (P/N 891390)?

The 891390 is a straight tube union that joins two rigid fluid lines end-to-end in aircraft hydraulic systems. This fitting features 37-degree flared ends conforming to AN/AS standards for leak-free connections.

Does the 891390 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The UNION conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.

What material is the 891390 manufactured from?

Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the 891390.

Can I order the 891390 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The UNION is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.

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