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WASHER - P/N 27s5-1

WASHER (P/N 27s5-1) - New Surplus

P/N: 27s5-1

Category: Washers

$5.00
$25.00 order minimum applies
In Stock (25 available)
Buy Now Submit RFQ Call for Pricing

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.

Available Inventory

Condition Price Stock
New Surplus$5.00 25 Available

Product Description

The 27S5-1 is a lock washer designed to distribute load and resist fastener loosening in aircraft structural joints. This hardened steel washer installs under a nut, maintaining clamp-up force through vibration and thermal cycling. Conforms to AN960 or NAS1149 specifications common in general and commercial aviation.

Installation follows FAA AC 43.13-1B guidance—verify size and specification in your aircraft Illustrated Parts Catalog before use. Torque per manufacturer recommendations for proper preload.

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 27s5-1)?

The 27S5-1 is a lock washer designed to distribute load and resist fastener loosening in aircraft structural joints. This hardened steel washer installs under a nut, maintaining clamp-up force through vibration and thermal cycling.

What conditions is the 27s5-1 available in?

The 27s5-1 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 27s5-1?

The 27s5-1 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 27s5-1?

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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