WASHER (P/N a-1638-5) - New Surplus

The A-1638-5 is a flat washer designed to distribute clamp load and protect bearing surfaces in bolted aircraft joints. This Cessna Aircraft Company part spreads fastener load across a wider area, reducing stress on components and maintaining joint integrity. Install the washer beneath bolt heads or nuts in accordance with AN/NAS fastener standards and aircraft maintenance practices.

The washer can also serve as a shim to adjust bolt preload and accommodate assembly tolerances. Follow the aircraft Illustrated Parts Catalog and AC 43.13-1B guidance for proper selection and installation in structural and mechanical assemblies.

What is the WASHER (P/N a-1638-5)?

The A-1638-5 is a flat washer designed to distribute clamp load and protect bearing surfaces in bolted aircraft joints. This Cessna Aircraft Company part spreads fastener load across a wider area, reducing stress on components and maintaining joint integrity.

What conditions is the a-1638-5 available in?

The a-1638-5 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the a-1638-5?

The a-1638-5 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.

Do you offer expedited shipping for the a-1638-5?

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.