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National Stock Number:
5310-01-266-3065
Federal Supply Class:
5310
National Item Identification Number:
012663065
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:
| 261379 | 04627 | HYSTER-YALE GROUP, INC. | | 261379 | 30076 | HYSTER-YALE GROUP, INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A325 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL UNS K02706 OVERALL OR STEEL UNS K11900 OVERALL OR STEEL UNS K12033 OVERALL OR STEEL UNS K12059 OVERALL OR STEEL UNS K12238 OVERALL OR STEEL UNS K12254 OVERALL OR STEEL UNS K13643 OVERALL OR STEEL UNS K14358 OVERALL | | III HEAT TREATMENT | HARDENED | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM | | THICKNESS | 0.075 INCHES MINIMUM AND 0.095 INCHES MAXIMUM |
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