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Insulating Sleeve Washers
Rolled Edge for Sealing
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The rolled edge compresses into the screw threads as you tighten, sealing out dirt, oil, and other contaminants.
Nylon—Our most versatile insulating washers, these block unwanted current in everything from switches and circuit breakers to control panels and electric motors.
Sleeve | Temp. Range, ° F | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | Ht. | OD | ID | OD | Overall Ht. | Min. | Max. | Color | Pkg. Qty. | Pkg. | |||
Nylon | |||||||||||||
| No. 12 | 0.025" | 0.254" | 0.220" | 0.330" | 0.125" | -40 | 180 | Off-White | 25 | 90097A190 | 00000 | ||
| No. 12 | 0.125" | 0.254" | 0.220" | 0.330" | 0.225" | -40 | 180 | Off-White | 25 | 90097A137 | 00000 | ||
| No. 12 | 0.250" | 0.254" | 0.220" | 0.330" | 0.350" | -40 | 180 | Off-White | 25 | 90097A138 | 00000 | ||
| No. 12 | 1.000" | 0.254" | 0.220" | 0.330" | 1.100" | -40 | 180 | Off-White | 25 | 90097A142 | 00000 | ||
Mil. Spec. Washers
These washers are manufactured and tested to strict U.S. military standards for material and construction. They take the pressure off screws and nuts to protect mounting surfaces.
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Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
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18-8 Stainless Steel—The choice for wet and outdoor environments, these washers resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
Material Certificate—Washers include a report with a traceable lot number.
For Screw Size | ID | OD | Thk. | Mil. Spec. | Certificate Type | Pkg. Qty. | Pkg. | |||
|---|---|---|---|---|---|---|---|---|---|---|
18-8 Stainless Steel | ||||||||||
| No. 10 | 0.220" | 0.400" | 0.040" to 0.050" | MS51496P82 | Material Certificate | 10 | 98019A227 | 000000 | ||
SAE Washers
Originally designed for the automotive industry, these washers conform to SAE sizing standards. They generally have smaller diameters than USS washers to fit in cramped spots and are thinner to create more precise gaps. Washers distribute pressure under screws and nuts to protect your mounting surface.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Steel
 |
Zinc-Yellow-Chromate-Plated Steel—With the same corrosion resistance as zinc-plated steel, these withstand occasional exposure to moisture.
Material Certificate—Washers include a report with a traceable lot number.
For Fastener Strength Grade/Class—If you require screws or nuts with a specific fastener strength rating, make sure your washer matches the grade or class.
For Screw Size | ID | OD | Thk. | For Fastener Strength Grade/Class | Specs. Met | Certificate Type | Pkg. Qty. | Pkg. | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
Zinc-Yellow-Chromate-Plated Steel | |||||||||||
| No. 10 | 0.220" | 0.500" | 0.036" to 0.065" | SAE Grade 8 | ASME B18.21.1 | Material Certificate | 100 | 98023A114 | 00000 | ||
Plastic Washers
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All of these washers are lightweight, nonconductive, and naturally rust resistant. They are commonly used in electronics and automation applications to take the pressure off screws and nuts and protect mounting surfaces.
Extreme-Strength High-Temperature Carbon-Filled PEEK—Second only to phenolic in terms of strength, these washers stand up to high-stress applications. They won't melt or deform when exposed to high temperatures up to 500° F.
Temp. Range, ° F | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | ID | OD | Thk. | Min. | Max. | Specs. Met | Color | Pkg. Qty. | Pkg. | |||
Extreme-Strength High-Temperature Carbon-Filled PEEK | ||||||||||||
| No. 10 | 0.220" | 0.510" | 0.036" to 0.065" | -50 | 500 | ASME B18.21.1 | Black | 10 | 93785A340 | 00000 | ||
