LOCK WASHER (P/N es4207) - New Surplus
P/N: es4207
Category: Washers
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 1 Available |
Product Description
The es4207 is a helical-spring lock washer designed to prevent bolt and nut loosening under vibration. This steel washer sits beneath a bolt head or nut, providing continuous spring tension that maintains clamp load during aircraft operation. Conforms to NASM35338 specifications for aviation fastener applications.
Commonly used in non-structural assemblies such as avionics equipment mounts, instrument panel installations, and accessory attachments. Place a plain washer underneath the lock washer to protect component surfaces. Not suitable for primary structural applications per FAA 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.
Frequently Asked Questions
What is the LOCK WASHER (P/N es4207)?
The es4207 is a helical-spring lock washer designed to prevent bolt and nut loosening under vibration. This steel washer sits beneath a bolt head or nut, providing continuous spring tension that maintains clamp load during aircraft operation.
What conditions is the es4207 available in?
The es4207 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 es4207?
The es4207 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 es4207?
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.
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