SLEEVE (P/N an819-4d) - New Surplus
P/N: an819-4d
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 | 3 Available |
Product Description
The AN819-4D is a 37° flared-tube aluminum sleeve that works with AN818 flare nuts to create metal-to-metal seals on rigid aircraft fluid lines. Sized for 1/4 inch tubing, this sleeve (equivalent to MS20819-4D) positions behind the tube flare under the nut during assembly. Used in fuel, hydraulic, oil, and pneumatic systems across general aviation and commercial aircraft.
Installation follows standard AN/MS tube-fitting practices per the aircraft maintenance manual, ensuring leak-free connections in pressurized fluid systems.
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 SLEEVE (P/N an819-4d)?
The AN819-4D is a 37° flared-tube aluminum sleeve that works with AN818 flare nuts to create metal-to-metal seals on rigid aircraft fluid lines. Sized for 1/4 inch tubing, this sleeve (equivalent to MS20819-4D) positions behind the tube flare under the nut during assembly.
Does the an819-4d meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The SLEEVE 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 an819-4d 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 an819-4d.
Can I order the an819-4d in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The SLEEVE is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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