Cat® A Washer for drain plug provides a tight and leak-free seal when attached, preventing any fluid or liquid from escaping and maintaining optimal performance.
Cat® Sealing Washer provides a tight and leak-free seal preventing the escape of fluids or gases under pressure
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Factory Fit
This part is designed to fit your Cat equipment based on the manufacturer’s specifications.
Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.
Remanufactured
Non-Returnable
Kit
Replaced
Remanufactured
Non-Returnable
Kit
Replaced
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Specifications
USMetric
Fits Bolt Sizes (in)
1/2-13
Inside Diameter (in)
0.140.230.240.250.30.310.340.36View More
Thickness (in)
0.0320.040.090.1080.120.16
Washer Type
External ToothFlatSealing
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Specifications
USMetric
Fits Bolt Sizes (in)
1/2-13
Inside Diameter (in)
0.140.230.240.250.30.310.340.36View More
Thickness (in)
0.0320.040.090.1080.120.16
Washer Type
External ToothFlatSealing
Cat
Material Description
NBR is a versatile material with good abrasion and cut resistance. It works well in Air, Engine Oil, Diesel Fuel, Coolant/Urea, Hydraulic Oil and Automatic Transmission Fluid applications. Do not use with Biodiesel.
Notes
Dimensions and Material Descriptions provided for reference only.
Material
NBR - Nitrile / Steel,Carbon Steel
Steel Thickness (in)
0.08
Inside Diameter (in)
0.54
Outside Diameter (in)
0.81
Cat
Notes
Dimensions and Material Descriptions provided for reference only.
Material
Rubber / Steel
Fastener size (in)
5/8
Steel Thickness (in)
0.09
Inside Diameter (in)
0.62
Primary Sealing Material
Rubber
Outside Diameter (in)
1.19
Cat
Notes
Dimensions and Material Descriptions provided for reference only.
Material
Rubber / Steel
Fastener size (in)
5/16
Steel Thickness (in)
0.06
Inside Diameter (in)
0.31
Primary Sealing Material
Rubber
Outside Diameter (in)
0.69
Cat
Material Description
NBR is a versatile material with good abrasion and cut resistance. It works well in Air, Engine Oil, Diesel Fuel, Coolant/Urea, Hydraulic Oil and Automatic Transmission Fluid applications. Do not use with Biodiesel.
Notes
Dimensions and Material Descriptions provided for reference only.
Material
NBR - Nitrile / Steel
Fastener size (in)
3/8
Steel Thickness (in)
0.05
Inside Diameter (in)
0.36
Primary Sealing Material
Rubber
Outside Diameter (in)
0.67
Cat
Material
Carbon Steel,Stainless Steel
Fastener size (in)
1/2
Primary Sealing Material
Rubber
Cat
Notes
Dimensions and Material Descriptions provided for reference only.
Material
Rubber / Steel,Stainless Steel,Carbon Steel
Fastener size (in)
7/16
Steel Thickness (in)
0.05
Inside Diameter (in)
0.43
Primary Sealing Material
Rubber
Outside Diameter (in)
0.76
Cat
Material
Fluoroelastomer (FKM) Rubber,Carbon Steel
Fastener size (in)
6/32
Primary Sealing Material
Rubber
Cat
Material Description
NBR is a versatile material with good abrasion and cut resistance. It works well in Air, Engine Oil, Diesel Fuel, Coolant/Urea, Hydraulic Oil and Automatic Transmission Fluid applications. Do not use with Biodiesel.
Notes
Dimensions and Material Descriptions provided for reference only.
Material
NBR - Nitrile / Steel,Carbon Steel
Steel Thickness (in)
0.06
Inside Diameter (in)
0.37
Outside Diameter (in)
0.75
Cat
Coating
None
Weight (lb)
0.01
Material
Carbon Steel,Soft Steel,Steel
Material Description
Soft Steel
Washer Type
Sealing
Cat
Notes
Dimensions and Material Descriptions provided for reference only.
Material
Rubber / Steel,Carbon Steel,Stainless Steel
Fastener size (in)
9/16
Steel Thickness (in)
0.05
Inside Diameter (in)
0.55
Primary Sealing Material
Rubber
Outside Diameter (in)
1.06
Cat
Notes
Dimensions and Material Descriptions provided for reference only. Color may differ from image.
Material
Rubber / Steel
Steel Thickness (in)
0.08
Inside Diameter (in)
0.31
Outside Diameter (in)
0.53
Cat
Material Description
NBR is a versatile material with good abrasion and cut resistance. It works well in Air, Engine Oil, Diesel Fuel, Coolant/Urea, Hydraulic Oil and Automatic Transmission Fluid applications. Do not use with Biodiesel.
Notes
Dimensions and Material Descriptions provided for reference only.
Material
NBR - Nitrile / Steel
Steel Thickness (in)
0.1
Inside Diameter (in)
1.06
Outside Diameter (in)
1.38
Cat
Notes
Dimensions and Material Descriptions provided for reference only.
Material
Rubber / Steel,Alloy Zinc
Steel Thickness (in)
0.05
Inside Diameter (in)
0.39
Primary Sealing Material
Rubber
Outside Diameter (in)
0.67
Cat
Notes
Dimensions and Material Descriptions provided for reference only.
Material
Rubber / Steel,Carbon Steel,Alloy Zinc
Steel Thickness (in)
0.05
Inside Diameter (in)
0.38
Outside Diameter (in)
0.6
Cat
Notes
Dimensions and Material Descriptions provided for reference only.
Material
Rubber / Steel
Steel Thickness (in)
0.08
Inside Diameter (in)
0.39
Outside Diameter (in)
0.61
Cat
Notes
Dimensions and Material Descriptions provided for reference only.
Material
Rubber / Steel
Steel Thickness (in)
0.1
Inside Diameter (in)
0.94
Outside Diameter (in)
1.26
TAKE THE GUESSWORK OUT OF REPAIRS
Whether troubleshooting an error code, getting step-by-step repair instructions or ensuring you have the right parts, the Cat® SIS2GO app has everything you need to fix your equipment with confidence.
Whether troubleshooting an error code, getting step-by-step repair instructions or ensuring you have the right parts, the Cat® SIS2GO app has everything you need to fix your equipment with confidence.
