Welcome to Associated Spring
Since 1857, Engineering Innovative Precision Spring & Stamping Solutions
Associated Spring, a business of Barnes Group Inc., is a pioneer, leader & innovator in the engineered spring & precision metal component manufacturing industry with facilities strategically located across the globe.
With our engineering capability & manufacturing expertise, we solve complex (product, process) design challenges & help you achieve increased performance & optimal lifecycle costs. Our springs are critical in applications across multiple industries from Transportation to Aerospace, Construction, Medical, Energy, Telecommunications, Industrial, Consumer Goods & others.
Contact us today to find out how Associated Spring can help your business.
Associated Spring is a world leading manufacturer of custom-designed Belleville washers that solve problems involving limited space and high/non-linear loads. Through our expert engineering methods and state-of-the-art manufacturing processes, our Belleville washers are outstanding in the industries they serve.
We are also capable of designing and manufacturing innovative precision Belleville washers to meet the needs of your project, including custom features such as double-angles and various features on the outer or inner circumference like splines, slots, and tabs.
Associated Spring’s Belleville washers are found in a wide range of applications, including:
- Automatic Transmission clutch assemblies
- Pre-loading fasteners
- Circuit breakers
- Pre-loading thrust bearing
- Pre-load anti-backlash nuts
- Mitigating tolerance issues in a stack-up
Our broad experience with stamping and flat spring design enables us to offer the exact custom Belleville washer to meet your application requirements.
- Materials: carbon steel, stainless steel, CSi alloys
- Material Thickness: 0.018” to greater than 0.100”
- Outside Diameter: Less than 1” to greater than 11”
- Force Range: Ounces per inch to multiple tens of thousands of lbs. per inch, depending on the application
Associated Spring’s Belleville washers are produced for a broad range of industries, including:
- Diesel Powertrain
- Aerospace & Defense
Learn more about our Belleville Washers