McCauley A-1635-84, 1/2" Long Clamp Cover Screw - Tempest PMA
Tempest AGA-1635-84-PMA
The Tempest AGA-1635-84 (McCauley OEM A-1635-84) is an FAA-PMA replacement 1/2" long clamp cover screw for McCauley applications.
- Helps keep clamp and cover components properly fastened, supporting reliable governor operation and reduced maintenance rework.
- Supports leak prevention by maintaining even compression at the secured interface when installed with the correct seals and torque.
- Direct replacement cross reference: Tempest AGA-1635-84 replaces OEM A-1635-84 for McCauley governor service.
Correct length and specification hardware matters in aircraft governors because fastener substitution can affect clamp load and sealing.
Installation notes
Always refer to the applicable aircraft and governor maintenance manual for complete installation procedures.
- Use the torque and tightening pattern specified in approved maintenance data to avoid distortion and uneven compression.
- Inspect mating threads and surfaces for corrosion or damage before installation.
Applications and fitment
Used on McCauley governors where OEM A-1635-84 is specified. Confirm compatibility by matching the OEM part number and reviewing governor model and serial number applicability in approved maintenance data.
Tempest AGA-1635-84 is the direct replacement for OEM A-1635-84. 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-1635-84 |
| Manufacturer | Tempest |
| Shipping Information | |
|---|---|
| Product Weight | 0.01 lbs. |
| Product Dimensions | 0.5 x 0.2 x 0.2 in. |
| Schedule B | 8807300010 |
| ECCN | 9A991.d |
| Specifications | |
|---|---|
| Approval | FAA-PMA replacement part |
| Length | 1/2 inch (per OEM description) |
| OEM P/N | A-1635-84 |
| System | McCauley propeller governor, clamp or cover related fastening |
| Tempest P/N | AGA-1635-84 |
| Type | Clamp cover screw |
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AIRCRAFT COMPATIBILITY
| Compatible Aircraft* | |
|---|---|
| Cessna | 210 |
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QUESTIONS & ANSWERS
Tempest AGA-1635-84 is a direct FAA-PMA replacement for McCauley part numbers A-1635-84 and A-1635-40. Always verify compatibility with your specific propeller governor model and applicable maintenance documentation before placing an order.
The Tempest AGA-1635-84 Cover Screw is designed for use in aircraft equipped with McCauley model C290D4 propeller governors. Matching replacement parts to the correct governor model is essential to ensure proper fit, function, and reliable operation.
The Tempest AGA-1635-84 Cover Screw secures the governor cover to the body and maintains uniform compression of sealing surfaces. Correct fastener retention prevents oil leaks, housing distortion, and loosening due to vibration.
PJi offers the Tempest AGA-1635-84 as an FAA-PMA-approved replacement for the McCauley A-1635-84 and A-1635-40 cover screws. 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.
