McCauley A-1635-72, Adjust Unfeathering Screw - Tempest PMA
Tempest AGA-1635-72-PMA
The Tempest AGA-1635-72 (McCauley OEM A-1635-72) is an FAA-PMA replacement adjust unfeathering screw for McCauley applications.
- Supports accurate unfeathering setup by restoring the proper adjustment component specified by the OEM for the mechanism.
- Helps troubleshoot unfeathering symptoms such as sluggish unfeather response or abnormal engagement when worn or damaged adjustment hardware is identified.
- Direct replacement cross reference: Tempest AGA-1635-72 replaces OEM A-1635-72 for McCauley governor service.
Unfeathering components are particularly important in multi engine operations and maintenance, where bringing a propeller out of feather must be dependable.
Installation notes
Refer to the applicable governor and engine maintenance manual for full installation procedures, torque values, and inspection requirements.
- Adjustment and verification must be performed per the approved governor and aircraft maintenance procedures.
- Inspect associated pins, seats, and contact surfaces for matched wear when servicing the unfeathering mechanism.
Applications and fitment
Used on McCauley governors where OEM A-1635-72 is specified. Confirm eligibility by matching the OEM part number and reviewing governor model and serial number applicability in the approved maintenance data.
Tempest AGA-1635-72 is the direct replacement for OEM A-1635-72. 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 # | AGA-1635-72 |
| Manufacturer | Tempest |
| Shipping Information | |
|---|---|
| Product Weight | 0.01 lbs. |
| Product Dimensions | 0.2 x 0.1 x 0.1 in. |
| Schedule B | 8807300010 |
| ECCN | 9A991.d |
| Specifications | |
|---|---|
| Approval | FAA-PMA replacement part |
| OEM P/N | A-1635-72 |
| System | McCauley propeller governor, unfeathering mechanism |
| Tempest P/N | AGA-1635-72 |
| Type | Unfeather adjust screw |
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AIRCRAFT COMPATIBILITY
| Compatible Aircraft* | |
|---|---|
| Cessna | 310 |
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QUESTIONS & ANSWERS
Tempest AGA-1635-72 is a direct FAA-PMA replacement for McCauley P/N A-1635-72. Always verify compatibility with your specific propeller governor model and applicable maintenance documentation before placing an order.
The Tempest AGA-1635-72 Unfeathering Adjust Screw is designed for use in aircraft equipped with McCauley model DCFUS290D4 propeller governors. Matching replacement parts to the correct governor model is essential to ensure proper fit, function, and reliable operation.
The Tempest AGA-1635-72 Unfeathering Adjust Screw allows precise mechanical adjustment of the unfeathering system. Proper adjustment ensures a predictable propeller response and correct system behavior during unfeathering events.
PJi offers the Tempest AGA-1635-72 as an FAA-PMA-approved replacement for the McCauley A-1635-72 unfeathering adjust screw. 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.
