SLEEVE KIT (P/N 4766-123) - As Removed

The 4766-123 is a sleeve kit for aircraft fluid line assemblies, providing support sleeves that distribute clamping load around 37° flared tubes in AN-style connections. These sleeves work with AN818 nuts and AN819/MS20819 fittings to prevent tube deformation and maintain seal integrity in hydraulic and fuel systems. Installation follows aircraft maintenance manuals and AC 43.13-1B guidance.

Verify correct fitment in the aircraft's Illustrated Parts Catalog before assembly.

What is the SLEEVE KIT (P/N 4766-123)?

The 4766-123 is a sleeve kit for aircraft fluid line assemblies, providing support sleeves that distribute clamping load around 37° flared tubes in AN-style connections. These sleeves work with AN818 nuts and AN819/MS20819 fittings to prevent tube deformation and maintain seal integrity in hydraulic and fuel systems.

Does the 4766-123 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The SLEEVE KIT 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 4766-123 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 4766-123.

Can I order the 4766-123 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The SLEEVE KIT is available in: As Removed. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.