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System of Measurement System of Measurement |
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For Screw Size For Screw Size |
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Finish Finish |
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Material Material |
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Washer Type Washer Type |
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 | Flat |
Thickness Thickness |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Hardness Hardness |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Specifications Met Specifications Met | Show |
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Specifications Met Specifications Met | Hide |
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Warning: Products have one, but not necessarily all, of the selected characteristics.
About Washers
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Mil. Spec. Washers
Choose these washers for their adherence to strict military standards for material and construction.
Aluminum washers are lightweight and have good corrosion resistance. Yellow-chromate plated 2024 aluminum washers are more corrosion resistant than 2024 aluminum with no finish.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Thick. | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Yellow-Chromate Plated 2024 Aluminum | ||||||||
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NAS1149 | ||||||||
| 9/16" | 0.578" | 1.062" | 0.013"-0.019" | Not Rated | NAS1149-D0916J | 20 | 000000000 | 000000 |