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National Stock Number: 5310-00-555-6314
Federal Supply Class: 5310
National Item Identification Number: 005556314
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:
523393 | 02978 | RENK AMERICA LLC | 523393 | 03104 | TELEDYNE BROWN ENGINEERING, INC. |
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Techincal Specification:
CENTER HOLE SHAPE STYLE | ROUND | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | HARDNESS RATING | 271.0 BRINELL HULTGREN MINIMUM AND 319.0 BRINELL HULTGREN MAXIMUM | HOLE DIAMETER | 0.265 INCHES NOMINAL | OVERALL DIAMETER | 0.500 INCHES NOMINAL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5721 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | IRON ALLOY 651 OVERALL | PERIPHERAL SHAPE STYLE | ROUND | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | SURFACE FINISH | 63.0 MICROINCHES TOP | THICKNESS | 0.095 INCHES NOMINAL |
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