P/N: 57n18
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 | 10 Available |
The 57n18 is a flat washer for aircraft fastener assemblies. It distributes load under bolt heads and nuts, providing a bearing surface that prevents fasteners from pulling through structural materials and access panels. This washer conforms to AN960 and NAS1149 plain washer standards used in airframe hardware.
Install under nuts securing access panels and other structural connections per aircraft maintenance manual guidance. Replace washers showing wear, distortion, or corrosion to maintain proper clamp load and prevent loosening during flight operations.
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 57n18 is a flat washer for aircraft fastener assemblies. It distributes load under bolt heads and nuts, providing a bearing surface that prevents fasteners from pulling through structural materials and access panels.
The 57n18 is currently available in the following conditions: Serviceable. Each condition reflects the part's maintenance history and certification status per FAA standards.
The 57n18 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.