Curved Washers - Formed Spring Washers for Flexible Load Distribution

Curved washers are single-wave formed washers that function as light-duty spring elements, providing flexible load distribution and accommodating axial play in fastener assemblies. Superior Washer & Gasket Corp produces curved spring washers in carbon steel and stainless steel for automotive, industrial, and OEM applications requiring a compact, low-profile spring washer solution.

As an ISO 9001:2015 certified specialty washer manufacturer, we supply curved washers from stock inventory and produce custom-formed washers to your deflection, load, and material requirements. Our formed washer capabilities include oval washers, curved washers, and wave washers in a wide range of sizes and materials.

  • Single-wave curved spring washer design
  • Carbon steel and stainless steel options
  • Standard and custom curved washer configurations
  • ISO 9001:2015 certified quality control
  • Made in the U.S.A.

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SKU ID OD Thickness Material Size ID TOL OD TOL Free H TOL Free H Quantity Actions

CT5-312008

ID 0.133
OD 0.307
Thickness 0.008
Material Spring Steel
Size 5
ID TOL +.003-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.062
Quantity

CT5-312012

ID 0.136
OD 0.307
Thickness 0.012
Material Spring Steel
Size 5
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.056
Quantity

CT5-313006

ID 0.136
OD 0.307
Thickness 0.006
Material Spring Steel
Size 5
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.005
Free H 0.062
Quantity

CT5-365005

ID 0.135
OD 0.36
Thickness 0.005
Material Spring Steel
Size 5
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.015
Free H 0.065
Quantity

CT5-365006

ID 0.135
OD 0.36
Thickness 0.006
Material Spring Steel
Size 5
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.06
Quantity

CT5-365010

ID 0.135
OD 0.36
Thickness 0.01
Material Spring Steel
Size 5
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.015
Free H 0.065
Quantity

CT5-375010

ID 0.127
OD 0.365
Thickness 0.01
Material Spring Steel
Size 5
ID TOL +.008-.000
OD TOL +.020-.000
Free H TOL +-.010
Free H 0.08
Quantity

CT6-2102

ID 0.142
OD 0.485
Thickness 0.005
Material Spring Steel
Size 6
ID TOL +.008-.000
OD TOL +.010-.000
Free H TOL +.040-.000
Free H 0.06
Quantity

CT6-2109

ID 0.14
OD 0.365
Thickness 0.008
Material Spring Steel
Size 6
ID TOL +-.005
OD TOL +-.005
Free H TOL +-.015
Free H 0.065
Quantity

CT6-2117

ID 0.156
OD 0.312
Thickness 0.01
Material Spring Steel
Size 6
ID TOL +-.005
OD TOL +-.005
Free H TOL +-.008
Free H 0.06
Quantity

CT6-240010

ID 0.147
OD 0.235
Thickness 0.01
Material Spring Steel
Size 6
ID TOL +.006-.000
OD TOL +.010-.000
Free H TOL +-.005
Free H 0.051
Quantity

CT6-2400104

ID 0.147
OD 0.235
Thickness 0.01
Material Spring Steel
Size 6
ID TOL +.006-.000
OD TOL +.010-.000
Free H TOL +-.005
Free H 0.051
Quantity

CT6-250010

ID 0.147
OD 0.24
Thickness 0.01
Material Spring Steel
Size 6
ID TOL +.006-.000
OD TOL +.020-.000
Free H TOL +-.005
Free H 0.056
Quantity

CT6-270005

ID 0.143
OD 0.265
Thickness 0.005
Material Spring Steel
Size 6
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.008
Free H 0.054
Quantity

CT6-270007

ID 0.143
OD 0.265
Thickness 0.008
Material Spring Steel
Size 6
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.005
Free H 0.035
Quantity

CT6-271005

ID 0.143
OD 0.266
Thickness 0.005
Material Spring Steel
Size 6
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.005
Free H 0.052
Quantity

CT6-280006

ID 0.144
OD 0.276
Thickness 0.006
Material Spring Steel
Size 6
ID TOL +.004-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.05
Quantity

CT6-281013

ID 0.144
OD 0.276
Thickness 0.013
Material Spring Steel
Size 6
ID TOL +.004-.000
OD TOL +.010-.000
Free H TOL +-.005
Free H 0.043
Quantity

CT6-291015

ID 0.138
OD 0.286
Thickness 0.015
Material Spring Steel
Size 6
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.08
Quantity

CT6-302010

ID 0.151
OD 0.297
Thickness 0.01
Material Spring Steel
Size 6
ID TOL +.005-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.051
Quantity

CT6-311015

ID 0.144
OD 0.305
Thickness 0.015
Material Spring Steel
Size 6
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.06
Quantity

CT6-366008

ID 0.135
OD 0.36
Thickness 0.008
Material Spring Steel
Size 6
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.005
Free H 0.065
Quantity

CT6-366012

ID 0.135
OD 0.36
Thickness 0.012
Material Spring Steel
Size 6
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.06
Quantity

CT6-375005

ID 0.14
OD 0.365
Thickness 0.005
Material Spring Steel
Size 6
ID TOL +.010-.000
OD TOL +.020-.000
Free H TOL +-.010
Free H 0.05
Quantity

CT6-376010

ID 0.145
OD 0.37
Thickness 0.01
Material Spring Steel
Size 6
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.005
Free H 0.042
Quantity

CT6-378013

ID 0.154
OD 0.375
Thickness 0.013
Material Spring Steel
Size 6
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.05
Quantity

CT6-380010

ID 0.143
OD 0.37
Thickness 0.01
Material Spring Steel
Size 6
ID TOL +.007-.000
OD TOL +.020-.000
Free H TOL +-.005
Free H 0.075
Quantity

CT8-2068

ID 0.174
OD 0.322
Thickness 0.0075
Material Spring Steel
Size 8
ID TOL +-.005
OD TOL +-.005
Free H TOL +-.005
Free H 0.042
Quantity

CT8-240020

ID 0.168
OD 0.235
Thickness 0.01
Material Spring Steel
Size 8
ID TOL +.008-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.043
Quantity

CT8-245010

ID 0.168
OD 0.24
Thickness 0.01
Material Spring Steel
Size 8
ID TOL +.008-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.043
Quantity

CT8-245015

ID 0.172
OD 0.24
Thickness 0.015
Material Spring Steel
Size 8
ID TOL +.005-.000
OD TOL +.020-.000
Free H TOL +-.010
Free H 0.04
Quantity

CT8-246006

ID 0.175
OD 0.24
Thickness 0.006
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.005
Free H 0.025
Quantity

CT8-246008

ID 0.177
OD 0.24
Thickness 0.008
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.005
Free H 0.055
Quantity

CT8-246010

ID 0.17
OD 0.24
Thickness 0.01
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.05
Quantity

CT8-249005

ID 0.187
OD 0.245
Thickness 0.005
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.005
Free H 0.035
Quantity

CT8-260006

ID 0.175
OD 0.25
Thickness 0.006
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.020-.000
Free H TOL +-.005
Free H 0.045
Quantity

CT8-285006

ID 0.16
OD 0.28
Thickness 0.006
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +.015-.010
Free H 0.038
Quantity

CT8-300005

ID 0.181
OD 0.295
Thickness 0.005
Material Spring Steel
Size 8
ID TOL +.004-.000
OD TOL +.010-.000
Free H TOL +-.015
Free H 0.055
Quantity

CT8-301010

ID 0.188
OD 0.295
Thickness 0.01
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +.015-.000
Free H 0.06
Quantity

CT8-312008

ID 0.168
OD 0.307
Thickness 0.008
Material Spring Steel
Size 8
ID TOL +.006-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.042
Quantity

CT8-320005

ID 0.175
OD 0.317
Thickness 0.005
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.005
Free H 0.065
Quantity

CT8-322005

ID 0.169
OD 0.317
Thickness 0.005
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.064
Quantity

CT8-322007

ID 0.169
OD 0.317
Thickness 0.008
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +.010-.005
Free H 0.04
Quantity

CT8-322008

ID 0.169
OD 0.317
Thickness 0.008
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.005
Free H 0.042
Quantity

CT8-340010

ID 0.175
OD 0.335
Thickness 0.01
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.06
Quantity

CT8-345006

ID 0.17
OD 0.34
Thickness 0.006
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.053
Quantity

CT8-365005

ID 0.166
OD 0.36
Thickness 0.005
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.015
Free H 0.065
Quantity

CT8-365015

ID 0.166
OD 0.36
Thickness 0.015
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.015
Free H 0.065
Quantity

CT8-375006

ID 0.182
OD 0.365
Thickness 0.006
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.020-.000
Free H TOL +-.010
Free H 0.08
Quantity

CT8-375010

ID 0.166
OD 0.36
Thickness 0.01
Material Spring Steel
Size 8
ID TOL +.010-.000
OD TOL +.010-.000
Free H TOL +-.010
Free H 0.098
Quantity

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Why Choose Superior Washer & Gasket Corp.?

When you select Superior Washer & Gasket Corp. as your source for curved spring washers, you gain a partner dedicated to quality, speed, and reliability. As a U.S.-based manufacturer with extensive production capabilities, we deliver the utmost in quality assurance. All of our products are manufactured in compliance with strict ISO 9001:2015 quality management system protocols. We are committed to providing a seamless purchasing experience, backed by an unparalleled dedication to detail when filling every order for standard washers or custom parts.

Our Capabilities And Services

Our diverse capabilities and services are critical to our ability to manufacture and deliver high-quality metal washers. We maintain a comprehensive inventory of washers and custom shims across our two U.S.-based facilities. With over 40,000 square feet of raw material in virtually every gauge, more than 100 power presses, and a staff of skilled machinists, we possess the superior ability to deliver exactly what our customers need. In addition to offering special washers within our catalog, we provide complete custom manufacturing capabilities for non-standard or on-demand requests, ensuring we remain your single source for all spacing solutions.