TUBE ASSY HYD BLOWDOWN RETURN (P/N 390-521231-0001) - As Removed
P/N: 390-521231-0001
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 |
|---|---|
| As Removed | 1 Available |
Product Description
The 390-521231-0001 is a rigid tube assembly for the hydraulic blowdown return circuit on Beechcraft Premier aircraft. This component routes return fluid to the reservoir during emergency landing gear extension, operating on the low-pressure return side of the system. The assembly features precision end fittings for secure connection to system ports and reservoir interfaces.
Installation requires torque verification per the aircraft maintenance manual and compatibility confirmation with the illustrated parts catalog. Follow AC 43.13-1B tubing practices for proper installation and inspection.
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 TUBE ASSY HYD BLOWDOWN RETURN (P/N 390-521231-0001)?
The 390-521231-0001 is a rigid tube assembly for the hydraulic blowdown return circuit on Beechcraft Premier aircraft. This component routes return fluid to the reservoir during emergency landing gear extension, operating on the low-pressure return side of the system.
What hydraulic fluid type is the 390-521231-0001 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 TUBE ASSY HYD BLOWDOWN RETURN against your aircraft maintenance manual for fluid compatibility.
Does the 390-521231-0001 come pressure-tested and certified?
Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The TUBE ASSY HYD BLOWDOWN RETURN is available in: As Removed. 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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