P/N: an1657-7
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 |
|---|---|
| Serviceable | 4 Available |
The AN1657-7 is a steel flat washer designed to distribute bearing load and protect mating surfaces in bolted aircraft joints. This fastener component conforms to AN960 specifications and installs beneath bolt heads or nuts to prevent fasteners from pulling through softer materials. Steel construction provides durability in high-stress applications across fuselage, wing, and structural assemblies.
Installation follows FAA AC 43.13-1B guidance, matching washer size to fastener diameter and limiting total washer stack to 1/8-inch per applicable maintenance manuals. Essential for maintaining joint integrity in aircraft maintenance and assembly.
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 AN1657-7 is a steel flat washer designed to distribute bearing load and protect mating surfaces in bolted aircraft joints. This fastener component conforms to AN960 specifications and installs beneath bolt heads or nuts to prevent fasteners from pulling through softer materials.
The an1657-7 is currently available in the following conditions: Serviceable. Each condition reflects the part's maintenance history and certification status per FAA standards.
The an1657-7 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.