NUT,TUBE COUPLING (P/N an818-3d) - New Surplus
P/N: an818-3d
Category: Nuts
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 | 11 Available |
Product Description
The AN818-3D is a tube coupling nut (B-nut) for 3/16-inch flared tubing, conforming to Army-Navy standards with UNF Class 3B threads. This aluminum alloy nut secures an AN819 sleeve to male fittings, sealing 37-degree flares in aircraft fluid systems. Commonly used in pitot-static lines and other pneumatic/hydraulic connections.
Installation requires pairing with AN819-3D sleeve and torquing per aircraft maintenance manual specifications to ensure leak-free assembly.
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 an818-3d)?
The AN818-3D is a tube coupling nut (B-nut) for 3/16-inch flared tubing, conforming to Army-Navy standards with UNF Class 3B threads. This aluminum alloy nut secures an AN819 sleeve to male fittings, sealing 37-degree flares in aircraft fluid systems.
What conditions is the an818-3d available in?
The an818-3d is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the an818-3d?
The an818-3d requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.
Do you offer expedited shipping for the an818-3d?
Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.