Woodward 3949-020, Flyweight Retainer Pins - Tempest PMA
Tempest AG3949-020-PMA
The Tempest AG3949-020 (Woodward OEM 3949-020) is an FAA-PMA replacement flyweight retainer pins for Woodward applications.
- Helps maintain correct flyweight pin retention and alignment to support stable RPM control and consistent governor response.
- Reduces risk of abnormal wear and debris generation by keeping flyweight hardware properly captured during operation.
- Commonly replaced during overhaul when wear, distortion, or loss of retention is found in the flyweight pin retaining hardware.
Flyweight retention hardware is a frequent focus area during governor overhaul because it directly affects response, stability, and long term reliability in aircraft service.
Installation notes
Refer to the applicable governor and engine maintenance manual for full installation procedures, torque values, and inspection requirements.
- Inspect flyweight pins, flyweight segments, and mating surfaces for matched wear and replace as required.
- Verify assembly stack up and perform operational checks per the approved overhaul data.
Applications and fitment
Used on Woodward governors where OEM 3949-020 is specified. Confirm compatibility by matching the OEM part number and verifying governor model eligibility in the approved maintenance data.
Tempest AG3949-020 is the direct replacement for OEM 3949-020. Match the OEM part number and confirm applicability by governor model and serial number in the approved maintenance data.
Pilot John International carries Tempest PMA propeller governor parts for FBOs, propeller overhaul shops, and aviation technicians supporting aircraft maintenance and ground support work.
| General Information | |
|---|---|
| Part # | AG3949-020 |
| Manufacturer | Tempest |
| Shipping Information | |
|---|---|
| Product Weight | 0.02 lbs. |
| Product Dimensions | 1.5 x 0.5 x 0.3 in. |
| Schedule B | 8807300010 |
| ECCN | 9A991.d |
| Specifications | |
|---|---|
| Approval | FAA-PMA replacement part |
| OEM P/N | 3949-020 |
| System | Woodward propeller governor, flyweight assembly |
| Tempest P/N | AG3949-020 |
| Type | Flyweight pin retainer |
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AIRCRAFT COMPATIBILITY
| Compatible Aircraft* | |
|---|---|
| Hawker Beechcraft | 58 - Baron , 95-C55 - Baron , 95-C55A - Baron |
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QUESTIONS & ANSWERS
Tempest AG3949-020 is a direct FAA-PMA replacement for Woodward P/N 3949-020. Always verify compatibility with your specific propeller governor model and applicable maintenance documentation before placing an order.
The Tempest AG3949-020 Flyweight Pins Retainer is designed for use in aircraft equipped with Woodward model A210800 propeller governors. Matching replacement parts to the correct governor model is essential to ensure proper fit, function, and reliable operation.
The Tempest AG3949-020 Flyweight Pins Retainer secures multiple flyweight pins in correct alignment. Stable alignment is essential for synchronized flyweight motion.
PJi offers the Tempest AG3949-020 as an FAA-PMA-approved replacement for the Woodward 3949-020 flyweight pins retainer. View our full selection of Tempest propeller governor parts to find the correct component for your application.
For a deeper look at how propeller governors work, why proper maintenance matters, and how to identify compatible replacement components, refer to our Ultimate Guide to Aircraft Propeller Governor Maintenance.
