P/N: a-1638-11
Category: Washers
Flat-rate shipping. Choose Ground or a faster service at checkout.
Flat-rate shipping covers most parts. If your order turns out to need freight or special handling, we'll contact you with the updated shipping cost before it ships. You can pay the difference or cancel for a full refund. International buyers pay any duties and import taxes.
| Condition | Price | Stock |
|---|---|---|
| New Surplus | $1.00 | 55 Available |
The a-1638-11 is a flat washer for aircraft bolted joints. This metal hardware distributes bearing loads under bolt heads and nuts while protecting parent material from damage. Conforms to AN960 or NAS1149 washer specifications common in aviation fastening.
Install under the bolt head or nut in airframe structures to provide smooth bearing surface and proper load distribution. Use per aircraft maintenance manual and FAA AC 43.13 guidance.
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-1638-11 is a flat washer for aircraft bolted joints. This metal hardware distributes bearing loads under bolt heads and nuts while protecting parent material from damage.
The a-1638-11 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-1638-11 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.