NUT (P/N ms20818-12d) - New Surplus
P/N: ms20818-12d
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 | 546 Available |
Product Description
The MS20818-12D is an aluminum coupling nut designed for 37° flared tube fittings per SAE AS4841 (equivalent to AN818). Size -12 accommodates 3/4 inch tube OD with Unified threads for aircraft fluid connections. This nut clamps an MS20819 sleeve against a male flare fitting to create a leak-free seal in hydraulic and fuel systems.
Installation requires pairing with the matching sleeve and torquing per aircraft maintenance manual specifications. Standard fastener for fluid line assemblies in general and commercial aviation.
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 ms20818-12d)?
The MS20818-12D is an aluminum coupling nut designed for 37° flared tube fittings per SAE AS4841 (equivalent to AN818). Size -12 accommodates 3/4 inch tube OD with Unified threads for aircraft fluid connections.
Does the ms20818-12d 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 ms20818-12d 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 ms20818-12d.
Can I order the ms20818-12d 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.