P/N: an818-4d
Category: Nuts
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| Condition | Price | Stock |
|---|---|---|
| New Surplus | $0.70 | 71 Available |
The AN818-4D is an aluminum alloy tube coupling nut (B-nut) designed for 1/4-inch 37° flared tubing connections. This nut clamps the flare sleeve against a mating fitting to create a secure metal-to-metal seal in fuel line assemblies. Install with an AN819 sleeve on properly flared tubing and tighten to aircraft maintenance manual specifications.
Standard hardware for general and commercial aviation fuel system connections.
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.
The AN818-4D is an aluminum alloy tube coupling nut (B-nut) designed for 1/4-inch 37° flared tubing connections. This nut clamps the flare sleeve against a mating fitting to create a secure metal-to-metal seal in fuel line assemblies.
The an818-4d is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.
The an818-4d 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.
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.