UNION, FLARED TUBE (P/N an815-4d) - New Surplus, As Removed
P/N: an815-4d
Category: Fittings & Adapters
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 | 28 Available |
| As Removed | 8 Available |
Product Description
The AN815-4D is a male-to-male flared-tube union for 1/4-inch OD aircraft tubing. This aluminum alloy fitting connects rigid flared lines in fuel, oil, and hydraulic systems using a 37-degree flare interface. The union features UNF Class 3A threads and installs with AN818-4 nut and AN819-4 sleeve components.
Common in general aviation and commercial aircraft plumbing where secure, leak-free tube connections are required. Installation follows aircraft maintenance manual torque specifications to ensure proper sealing and system integrity.
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 UNION, FLARED TUBE (P/N an815-4d)?
The AN815-4D is a male-to-male flared-tube union for 1/4-inch OD aircraft tubing. This aluminum alloy fitting connects rigid flared lines in fuel, oil, and hydraulic systems using a 37-degree flare interface.
Does the an815-4d meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The UNION, FLARED TUBE 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 an815-4d 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 an815-4d.
Can I order the an815-4d in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The UNION, FLARED TUBE is available in: New Surplus, As Removed. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
Related Fittings & Adapters
- PIG TAIL HOSE, STAINLESS STEEL – P/N ptf-34i-34i-120
- ADAPTER – P/N 3011071
- ADAPTER ASSY-STL.RH – P/N c6wm1162-4
- REDUCER – P/N ms24399-3dd
- ADAPTER – P/N an840-6d
- NIPPLE,TUBE – P/N ms9095-10
- NIPPLE,TUBE – P/N ms21924d8
- RH ADAPTOR – P/N 169-554020-10
- COUPLING – P/N 204-040-604-005s
- COUPLING – P/N a8471
- ADAPTER – P/N 117927
- ADAPTER-TRANSFER TUB – P/N 3112634-01