NUT (P/N an818-2d) - New Surplus
P/N: an818-2d
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 | 87 Available |
Product Description
The AN818-2D is an aluminum alloy tube coupling nut (B-nut) conforming to AN standards for 37° flared tubing. Sized for 1/8 inch OD tubing with Class 3B threads, this nut secures rigid instrumentation lines to male 37° flare fittings. Installation requires pairing with a matching AN819-2 sleeve and torquing per aircraft maintenance manual specifications.
Commonly used in fuel, oil, and pneumatic system connections on general aviation and corporate aircraft where reliable, leak-free tube connections are critical.
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 (P/N an818-2d)?
The AN818-2D is an aluminum alloy tube coupling nut (B-nut) conforming to AN standards for 37° flared tubing. Sized for 1/8 inch OD tubing with Class 3B threads, this nut secures rigid instrumentation lines to male 37° flare fittings.
Does the an818-2d meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The NUT 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 an818-2d 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 an818-2d.
Can I order the an818-2d in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The NUT is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.