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National Stock Number:
5310-00-281-8319
Federal Supply Class:
5310
National Item Identification Number:
002818319
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:
| 27088H | 0AHU0 | KALMAR AC INC | | 27088H | 30076 | HYSTER-YALE GROUP, INC. | | 797061 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 27958 | 30076 | HYSTER-YALE GROUP, INC. | | 27088H | 31007 | NAVISTAR INTL CORP | | 27088H | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT | | 7979061 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | T2996 | 73782 | TOWMOTOR CORP DALLAS PLANT SUB OF CATERPILLAR TRACTOR CO | | T69-137 | 79410 | LIBERTY VENTURES INTI LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 56.2 ROCKWELL B NOMINAL | | HOLE DIAMETER | 1.391 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1010 OVERALL | | OVERALL DIAMETER | 1.875 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.09375 INCHES NOMINAL |
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