NUT,TUBE COUPLING (P/N an818-12d) - New Surplus
P/N: an818-12d
Category: Fasteners & Hardware
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 | 16 Available |
Product Description
The AN818-12D is a tube coupling nut (B-nut) for 3/4 inch flared tubing connections. This aluminum alloy component features 1-1/16-12 threads and works with AN819 sleeves to secure tubing to male fittings. Used in aircraft hydraulic systems to create leak-resistant flared joints.
Installation requires pairing with the correct sleeve and mating fitting, then torquing per aircraft maintenance manual and fitting manufacturer specifications. Standard aerospace fastener for pressurized fluid line applications.
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 NUT,TUBE COUPLING (P/N an818-12d)?
The AN818-12D is a tube coupling nut (B-nut) for 3/4 inch flared tubing connections. This aluminum alloy component features 1-1/16-12 threads and works with AN819 sleeves to secure tubing to male fittings.
Does the an818-12d 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 an818-12d 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 an818-12d.
Can I order the an818-12d 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.
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