HOSE ASSY (P/N 4059539) - New Surplus
P/N: 4059539
Category: Hoses & Tubing
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 | 7 Available |
Product Description
The 4059539 is a PTFE-lined hose assembly for aircraft hydraulic systems. It transfers pressurized fluid between components while flexing and moving with engine vibration and airframe deflection. The assembly features reinforced construction per SAE AS1339 standards for durability under continuous pressure cycling.
Used in hydraulic lines connecting pumps, actuators, and control units on general aviation and transport aircraft. Installation requires proper support clamps and routing per aircraft maintenance manuals to prevent chafing and fatigue failure.
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 HOSE ASSY (P/N 4059539)?
The 4059539 is a PTFE-lined hose assembly for aircraft hydraulic systems. It transfers pressurized fluid between components while flexing and moving with engine vibration and airframe deflection.
What hydraulic fluid type is the 4059539 compatible with?
Hydraulic component compatibility depends on the aircraft system design. Common aviation hydraulic fluids include MIL-PRF-5606 (mineral-based), MIL-PRF-83282 (synthetic), and Skydrol (phosphate ester). Verify the HOSE ASSY against your aircraft maintenance manual for fluid compatibility.
Does the 4059539 come pressure-tested and certified?
Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The HOSE ASSY is available in: New Surplus. Contact us for test documentation on your selected condition.
What is the turnaround time for hydraulic component orders?
In-stock hydraulic components ship same business day before 3 PM EST. We provide 24/7 AOG support at (904) 998-9101 for urgent hydraulic system needs. RFQ submissions are typically quoted within 24 hours.
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