UNION (P/N an815-125) - New Surplus

The AN815-125 is a straight union connector designed to couple two 37° flared rigid tubes in aircraft fluid systems. This male-to-male fitting follows Army-Navy specifications and is commonly cross-referenced to SAE AS5174 standards. Used in fuel and hydraulic line runs where straight connections are required.

Installation involves standard B-nuts and sleeves per flared-tube practices. Verify the correct size in your aircraft's Illustrated Parts Catalog before installation.

What is the UNION (P/N an815-125)?

The AN815-125 is a straight union connector designed to couple two 37° flared rigid tubes in aircraft fluid systems. This male-to-male fitting follows Army-Navy specifications and is commonly cross-referenced to SAE AS5174 standards.

Does the an815-125 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 an815-125 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 an815-125.

Can I order the an815-125 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.