VACUUM REGULATOR - OVERHAULED (OPT (P/N 133a4) - As Removed
P/N: 133a4
Category: Pneumatic Components
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 | 2 Available |
Product Description
The 133a4 is an overhauled vacuum regulator for aircraft engine-driven pneumatic systems. This component stabilizes suction pressure in the instrument line, maintaining consistent gyro instrument speeds during flight. The regulator mounts in the suction system and includes FAA PMA approval as a Tempest (Aero Accessories) unit.
Installation follows the aircraft maintenance manual with IPC compatibility verification. Commonly used in Piper PA-28 and similar general aviation aircraft. Overhaul data and adjustment procedures are documented in approved maintenance sources.
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 VACUUM REGULATOR - OVERHAULED (OPT (P/N 133a4)?
The 133a4 is an overhauled vacuum regulator for aircraft engine-driven pneumatic systems. This component stabilizes suction pressure in the instrument line, maintaining consistent gyro instrument speeds during flight.
What hydraulic fluid type is the 133a4 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 VACUUM REGULATOR - OVERHAULED (OPT against your aircraft maintenance manual for fluid compatibility.
Does the 133a4 come pressure-tested and certified?
Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The VACUUM REGULATOR - OVERHAULED (OPT 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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