P/N: a-1638-8
Category: Washers
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| New Surplus | 58 Available |
The a-1638-8 is a flat washer for McCauley propeller assembly hardware. It distributes clamp load under bolts and nuts while protecting bearing surfaces in the propeller hub stack. Steel construction meets AN960 specifications (superseded by NAS1149).
Install under the nut in the propeller fastener assembly, positioning per the aircraft IPC and McCauley propeller manual. Torque fasteners according to FAA AC 43.13-1B guidance. Verify correct size and location before installation to ensure proper load distribution and bearing protection.
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.
The a-1638-8 is a flat washer for McCauley propeller assembly hardware. It distributes clamp load under bolts and nuts while protecting bearing surfaces in the propeller hub stack.
The a-1638-8 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.
The a-1638-8 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.
Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.