NUT (P/N ms20818-6d) - New Surplus
P/N: ms20818-6d
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 | 233 Available |
Product Description
The MS20818-6D is a tube coupling nut (B-nut) for 37-degree flared tubing connections. This aluminum alloy nut secures an AN819 sleeve on 3/8-inch tube with 9/16-18 threads. Equivalent to AN818-6D/AS5175 specifications, it connects flared tubing to aircraft fluid system fittings.
Installation requires pairing with the matching AN819 sleeve and appropriate fitting, then torquing per aircraft maintenance manual specifications. Verify correct tube size and thread compatibility before installation on fuel, hydraulic, oil, or pneumatic lines.
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 ms20818-6d)?
The MS20818-6D is a tube coupling nut (B-nut) for 37-degree flared tubing connections. This aluminum alloy nut secures an AN819 sleeve on 3/8-inch tube with 9/16-18 threads.
Does the ms20818-6d 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 ms20818-6d 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 ms20818-6d.
Can I order the ms20818-6d 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.
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