Materials And Finishes

Most of the washers shown in this catalog are available in the following materials and finishes.


  • C1050 Spring Steel
  • 400 Series Stainless Steel
  • 300 Series Stainless Steel
  • Bronze
  • Aluminum
  • Beryllium Copper
  • K-Monel

  • Plain
  • Zinc, .00015″ thick

Other materials and finishes are available on special request.


These WCL Torque Lockwashers qualify under the majority of Standards requirements established by the Armed Forces, American Standards Association, the Society of Automotive Engineers and the American Society of Mechanical Engineers for components of this type.

Military Specifications

  • MS 3533, MS 35334, MS 35335, MS 35336 and MS 45904

American Society of Mechanical Engineers

  • ASME B 18.21.1
Federal Specifications

  • FF-W-100

Laboratory Accreditation

  • ITW Shakeproof (Elgin) A2LA Approved

Metric Sizes

External Tooth and Internal Tooth washers are available in metric sizes to DIN 6797-A and DIN 6797-J, respectively. Most other types of tooth washers are available in metric soft conversions. Please inquire with WCL sales for specification charts that are available to be faxed on soft conversions to ITW standards.

NOTE: All data in this catalog is presented as a general guide. The configuration of some special parts may very slightly from the typical products depicted in photographs and drawings. Specifications are subject to modifica­tion without notice. Extended inactivity may result in discontinuance of individual parts without notice. It may be helpful to request a sales print before ordering a new part.