FILTER (P/N a391) - As Removed
P/N: a391
Category: Filters & Strainers
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 a391 is an aircraft filter designed to remove particulate contamination from hydraulic and fluid systems. This component protects downstream pumps, valves, and actuators by capturing debris before it reaches critical components. Typically installed in hydraulic return lines, the a391 maintains fluid cleanliness per SAE AS4059 contamination control standards.
Installation and service procedures follow the aircraft maintenance manual; verify applicability in the Illustrated Parts Catalog before replacement and perform leak checks after installation.
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 FILTER (P/N a391)?
The a391 is an aircraft filter designed to remove particulate contamination from hydraulic and fluid systems. This component protects downstream pumps, valves, and actuators by capturing debris before it reaches critical components.
What hydraulic fluid type is the a391 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 FILTER against your aircraft maintenance manual for fluid compatibility.
Does the a391 come pressure-tested and certified?
Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The FILTER 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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