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National Stock Number:
5310-01-172-7119
Federal Supply Class:
5310
National Item Identification Number:
011727119
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:
| 5V0G72 PIECE 7B | 16497 | DRESSER, INC. | | 5V0G72 PIECE 7B | 38056 | ASHCROFT INC | | 87836 | 16497 | DRESSER, INC. | | 87836 | 38056 | ASHCROFT INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.011 INCHES MINIMUM AND 1.013 INCHES MAXIMUM | | OVERALL DIAMETER | 1.963 INCHES MINIMUM AND 1.973 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B164,CL A ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 400 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 125.0 MICROINCHES OUTER | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES INNER | | SURFACE FINISH | 63.0 MICROINCHES TOP | | THICKNESS | 0.172 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
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