NUT,TUBE COUPLING (P/N an818-10) - New Surplus

The AN818-10 is a flared-tube coupling nut (B-nut) for 37° aircraft fittings. Sized for 5/8-inch tubing with 7/8-14 UNF threads, it secures hydraulic lines to male flare fittings when paired with an AN819 sleeve. This steel nut conforms to Army-Navy specifications for aerospace fluid systems.

Installation requires flared tubing, the matching sleeve, and torque per aircraft maintenance manual. Equivalent to M83798/1-10.

What is the NUT,TUBE COUPLING (P/N an818-10)?

The AN818-10 is a flared-tube coupling nut (B-nut) for 37° aircraft fittings. Sized for 5/8-inch tubing with 7/8-14 UNF threads, it secures hydraulic lines to male flare fittings when paired with an AN819 sleeve.

Does the an818-10 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The NUT,TUBE COUPLING 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 an818-10 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 an818-10.

Can I order the an818-10 in custom quantities?

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