Woodward 189880, RPM Stop Retaining Ring - Tempest PMA
Tempest AG189880-PMA
The Tempest AG189880 (Woodward OEM 189880) is an FAA-PMA replacement rpm stop retaining ring for Woodward applications.
- Helps keep RPM stop parts properly retained so stop settings remain stable after vibration and normal control cycling.
- Supports consistent propeller governing by preventing the stop hardware from shifting out of position during operation.
- Provides an OEM cross reference path for aviation maintenance professionals sourcing legacy Woodward governor parts by original identifiers.
This part is used in aviation governor service where correct limit control matters for dispatch reliability and propeller control feel.
Installation notes
Refer to your aircraft and governor maintenance manual for complete installation procedures and torque values.
- Replace any retaining ring that shows loss of spring tension, deformation, or corrosion.
- After installation, verify stop function and settings per the governor maintenance manual and approved data.
Applications and fitment
Commonly associated with Woodward governor installations where OEM 189880 is called out. Confirm compatibility by matching the OEM part number and reviewing the applicable governor model parts list and aircraft documentation.
Tempest AG189880 is the direct replacement for OEM 189880. Match the OEM part number and confirm applicability by governor model and serial number in the approved maintenance data.
Pilot John International supplies Tempest PMA propeller governor components to propeller overhaul shops, FBOs, MROs, and aviation maintenance technicians supporting aircraft maintenance and ground support.
| General Information | |
|---|---|
| Part # | AG189880 |
| Manufacturer | Tempest |
| Shipping Information | |
|---|---|
| Product Weight | 0.01 lbs. |
| Product Dimensions | 1 x 1 x 0.1 in. |
| Schedule B | 8807300010 |
| ECCN | 9A991.d |
| Specifications | |
|---|---|
| Approval | FAA PMA |
| OEM P/N | 189880 |
| Tempest P/N | AG189880 |
| Type | Retaining ring (RPM stop retention hardware) |
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AIRCRAFT COMPATIBILITY
| Compatible Aircraft* | |
|---|---|
| Piper | Aztec , Chieftan , Navajo |
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QUESTIONS & ANSWERS
Tempest AG189880 is a direct FAA-PMA replacement for Woodward P/N 189880. Always verify compatibility with your specific propeller governor model and applicable maintenance documentation before placing an order.
The Tempest AG189880 RPM Stop Retaining Ring is designed for use in aircraft equipped with [manufacturer] model L210909 propeller governors. Matching replacement parts to the correct governor model is essential to ensure proper fit, function, and reliable operation.
The Tempest AG189880 RPM Stop Retaining Ring secures the RPM stop mechanism, ensuring consistent RPM limiting and preventing unintended travel. Holding the stop components securely under vibration and load helps maintain predictable governor response and protects internal parts from over-travel damage.
PJi offers the Tempest AG189880 as an FAA-PMA-approved replacement for the Woodward 189880 RPM stop retaining ring. 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.
