Click here to submit a custom washer request. We can fabricate nearly all washer dimensions.

Nomex® Washers are made from DuPont’s revolutionary heat and flame resistant fibre. Washers made from Nomex® yield the right balance of properties for use in many applications such as transformers, motors, generators and other electrical equipment. Nomex Flat Washers at New Process Fibre are typically made from Type 410 paper is the original and one of the larger grade types made and commonly used in our fabrication process. Other Nomex grades are available for Washer applications.

All Washers are available in English and Metric Units. 

        • Excellent choice for Electrical Applications
        • Mechanically very tough material
        • Resilient – Flexible – Reliable
        • Heat and Flame Resistant

Email us your part drawing(s) by clicking the "REQUEST INFORMATION" tab above and complete our on-line form and we will provide you with a detailed quotation.

Unit of Measure



N/A 410 Nomex

Outer Diameter

N/A 0.335 Inch

Outer Diameter Tolerance

N/A ± 0.010 Inch

Inner Diameter

N/A 0.138 Inch

Inner Diameter Tolerance

N/A ± 0.010 Inch


N/A 0.01 Inch

Thickness Tolerance

N/A ± 0.010 Inch