WASHER (P/N 78-121) - New Surplus
P/N: 78-121
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 | 6 Available |
Product Description
The 78-121 is a flat washer for aircraft fastener assemblies, providing a smooth bearing surface under bolt heads and nuts. This washer distributes clamp load across a wider area to protect underlying substrates from fastener indentation and stress concentration. Manufactured to aerospace standards, it's installed under bolts in airframe structural joints, control surface attachments, and component mounting points.
Follow the aircraft maintenance manual and FAA AC 43.13-1B guidance for proper installation and torque procedures.
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 WASHER (P/N 78-121)?
The 78-121 is a flat washer for aircraft fastener assemblies, providing a smooth bearing surface under bolt heads and nuts. This washer distributes clamp load across a wider area to protect underlying substrates from fastener indentation and stress concentration.
What conditions is the 78-121 available in?
The 78-121 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 78-121?
The 78-121 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 78-121?
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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