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National Stock Number:
5310-01-266-3066
Federal Supply Class:
5310
National Item Identification Number:
012663066
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:
| 221773 | 04627 | HYSTER-YALE GROUP, INC. | | 221773 | 30076 | HYSTER-YALE GROUP, INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OR 69.0 ROCKWELL A MINIMUM AND 73.0 ROCKWELL A MAXIMUM | | HOLE DIAMETER | 0.589 INCHES MINIMUM AND 0.609 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F436 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | III HEAT TREATMENT | QUENCHED AND TEMPERED | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 1.149 INCHES MINIMUM AND 1.186 INCHES MAXIMUM | | SURFACE TREATMENT | ZINC OR CADMIUM OVERALL | | THICKNESS | 0.097 INCHES MINIMUM AND 0.177 INCHES MAXIMUM |
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