Mica Flat Washers - High-Temperature Electrical Insulation Washers

Mica flat washers offer outstanding electrical insulation and thermal resistance, maintaining performance at temperatures up to 600°C or higher. They are used in heating elements, electrical equipment, motors, and high-temperature industrial applications where both heat resistance and electrical isolation are essential.

Superior Washer & Gasket Corp manufactures mica washers in standard and custom sizes with ISO 9001:2015 certified quality management. Our high-performance insulating washer capabilities include mica, Kapton, fiberglass, and phenolic options-all made in the U.S.A. to your precise dimensional requirements.

  • High-temperature electrical insulation up to 600°C+
  • Natural mica material for consistent thermal performance
  • Standard and custom mica washer configurations
  • ISO 9001:2015 certified manufacturing
  • Made in the U.S.A.

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Showing 1–50 of 78 products

Mica Flat Washers - High-Temperature Electrical Insulation Washers

SKU ID OD Thickness Material ID TOL OD TOL Quantity Actions

750-10-010

ID 0.09
OD 0.38
Thickness 0.01
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-10-010t

ID Not available
OD Not available
Thickness 0.01
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-11-005

ID 0.115
OD 0.43
Thickness 0.005
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-11-005t

ID Not available
OD Not available
Thickness 0.005
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-12-002

ID 0.118
OD 0.375
Thickness 0.002
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-12-002t

ID Not available
OD Not available
Thickness 0.002
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-13-062

ID 0.12
OD 0.48
Thickness 0.062
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-13-062t

ID Not available
OD Not available
Thickness 0.062
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-14-005

ID 0.125
OD 0.312
Thickness 0.005
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-14-005t

ID Not available
OD Not available
Thickness 0.005
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-15-005

ID 0.125
OD 0.375
Thickness 0.005
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-15-005t

ID Not available
OD Not available
Thickness 0.005
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-16-003

ID 0.125
OD 0.5
Thickness 0.003
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-16-003t

ID Not available
OD Not available
Thickness 0.003
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-17-010

ID 0.125
OD 0.75
Thickness 0.01
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-17-010t

ID Not available
OD Not available
Thickness 0.01
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-18-002

ID 0.14
OD 0.312
Thickness 0.002
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-18-002t

ID Not available
OD Not available
Thickness 0.002
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-19-003

ID 0.14
OD 0.375
Thickness 0.003
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-19-003t

ID Not available
OD Not available
Thickness 0.003
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-20-003

ID 0.14
OD 0.438
Thickness 0.003
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-20-003t

ID Not available
OD Not available
Thickness 0.003
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-21-004

ID 0.145
OD 0.81
Thickness 0.004
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-21-004t

ID Not available
OD Not available
Thickness 0.004
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-22-062

ID 0.149
OD 0.38
Thickness 0.062
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-22-062t

ID Not available
OD Not available
Thickness 0.062
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-23-010

ID 0.156
OD 0.375
Thickness 0.01
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-23-010t

ID Not available
OD Not available
Thickness 0.01
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-24-062

ID 0.171
OD 0.375
Thickness 0.062
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-24-062t

ID Not available
OD Not available
Thickness 0.062
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-25-003

ID 0.187
OD 0.38
Thickness 0.003
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-25-003t

ID Not available
OD Not available
Thickness 0.003
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-26-005

ID 0.187
OD 0.62
Thickness 0.005
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-26-005t

ID Not available
OD Not available
Thickness 0.005
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-27-002

ID 0.195
OD 0.5
Thickness 0.002
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-27-002t

ID Not available
OD Not available
Thickness 0.002
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-28-003

ID 0.195
OD 0.562
Thickness 0.003
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-28-003t

ID Not available
OD Not available
Thickness 0.003
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-29-005

ID 0.195
OD 0.625
Thickness 0.005
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-29-005t

ID Not available
OD Not available
Thickness 0.005
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-30-031

ID 0.195
OD 0.75
Thickness 0.031
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-30-031t

ID Not available
OD Not available
Thickness 0.031
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-31-003

ID 0.195
OD 0.875
Thickness 0.003
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-31-003t

ID Not available
OD Not available
Thickness 0.003
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-32-002

ID 0.203
OD 0.562
Thickness 0.002
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-32-002t

ID Not available
OD Not available
Thickness 0.002
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-33-003

ID 0.203
OD 0.625
Thickness 0.003
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-33-003t

ID Not available
OD Not available
Thickness 0.003
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-34-005

ID 0.235
OD 0.687
Thickness 0.005
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

750-34-005t

ID Not available
OD Not available
Thickness 0.005
Material Mica
ID TOL +-.005
OD TOL +-.005
Quantity

Description