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National Stock Number:
5310-00-238-3787
Federal Supply Class:
5310
National Item Identification Number:
002383787
Description:
WASHER,FLAT
Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
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Manufacturer Information:
| 10148 | 78640 | MITSUBISHI CATERPILLAR FORKLIFT AMERICA, INC | | DC2686 | 35311 | AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV | | Y69K224 | 02978 | RENK AMERICA LLC | | YR207 | 66935 | JOHNSON CONTROLS NAVY SYSTEMS, LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.688 INCHES NOMINAL | | OVERALL DIAMETER | 2.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | C-F-206 TY 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | WOOL COMP 9R1 OVERALL | | MINIMUM TENSILE STRENGTH | 225 POUNDS PER SQUARE INCH | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.250 INCHES NOMINAL |
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