Belleville Washers & Disc Springs

Belleville Washers & Disc Springs

The Century Spring Corporation and Maryland Precision Spring locations of MWI specialize in the design, engineering, manufacturing, and stocking of disc springs & Belleville washer products.

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Types of Disc Springs & Belleville Washers

Carbon Composite Spring Washers

Carbon Composite Disc Springs

Belleville Washer Spring Designs

Belleville Washers (Classic)

Pre-Stressed Belleville Disc Springs

Belleville Washers (Pre-Stressed)

Heavy Duty Belleville Spring Washers

Belleville Washers (Heavy Bolted)

  • Designed for heavy bolted applications
  • Used when there is a need to overcome thermal expansion / contraction
  • Stainless steel options for corrosion resistance
  • Not pre-stressed – designed for static bolt applications only
  • Available from MW Industries

Flange Disc Springs

Flange Disc Springs (FL / MFL)

  • Elastic mechanical elements designed primarily for pipe flange applications
  • Reactive power keeps bolt joint tight under all conditions
  • Available from MW Industries

National Disc Spring Washers

Flange Disc Springs (NDS)

  • Maintain bolt tension and gasket pressure around the flange
  • Stand up under the most severe conditions
  • Automatically adjusts for thermal variation, vibration, and mechanical shock stress
  • Available from MW Industries

Stainless Steel Flat Washers

Flat Washers (SFW)

  • Made from 17-7 stainless steel
  • Provide strength of heat treatment and corrosion-resistance
  • Great for outdoor use or in harsh environments
  • Available from MW Industries

Ball Bearing Disc Springs

Ball Bearing Spring Washers

Slotted Spring Washers

Slotted Disc Springs

  • Slotted elements reduce the spring load and increase deflection
  • Available from MW Industries

Contact Disc Spring Washers

Contact Disc Springs

  • Improved bolt connections – compensates for developed looseness, loss of bolt tension due to applied surface deterioration, or movement due to thermal changes
  • Available from MW Industries

Curved Disc Spring Washers

Curved Spring Washers

  • Cylindrical curve is well-suited for application requiring flexibility, light loads, and repeated cycles through a range of motion
  • Available from MW Industries

Serrated Disc Springs

Serrated Disc Washers

  • Serrated element ideal for use with almost any screw or bolt
  • Available from MW Industries

Finger Spring Washers

Finger Spring Washers

  • Counteract noise, excess wear, end play, and vibration
  • Especially effective at high speeds
  • Available from MW Industries

Wave Spring Washer

Wave Spring Washers

  • Efficient for obtaining the required load when the load is static, the working range is small, and the allowable amount of axial space is limited
  • Available from MW Industries

Custom Disc Spring Manufacturing

MW Industries’ Maryland Precision Spring location is a leader in custom, precision disc springs and Belleville washers, having designed and manufactured thousands of custom disc springs for a range of unique applications.

If your application needs an engineered solution due to special environmental conditions, tight space requirements, or service life expectations then let MWI help. Together, we will optimize the performance of your system by providing insight into manufacturing methods that minimize your cost.

In addition to custom designs, we offer special packaging of disc springs including stacking, to make your final assembly operation more efficient.

Contact our disc spring team for more information about custom disc spring design and manufacturing.

MWI Production Capabilities


  • Carbon Steels
  • Alloy Steels
  • Stainless Steel Alloys
  • Tool Steels
  • Specialty Metals


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