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National Stock Number:
5310-00-281-8320
Federal Supply Class:
5310
National Item Identification Number:
002818320
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:
| 12388163 | 7X677 | GENERAL MOTORS LLC | | 2256941 | 23862 | MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP MS 2603-02 | | 2256941 | 24617 | GENERAL MOTORS CORP | | 2256941 | 7X677 | GENERAL MOTORS LLC | | 27827 | 81118 | EATON CORPORATION | | 2719-127386 | Z4117 | VOLVO GROUP GOVERNMENT SALES OCEANIA | | 57304R1 | 31007 | NAVISTAR INTL CORP | | 46620F | 56442 | DIAMOND REO TRUCK CO | | 3946561 | 62265 | VOLVO TRUCKS NORTH AMERICA INC. DBA FOREIGN PARENT IS VOLVO LASTVAGNAR AB GOTEBORG SWEDEN. | | 716770 | 65282 | WHITE MOTOR CORP | | ENT 0027827 | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT | | ETN0127386 | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT | | 57304R1 | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 60.0 ROCKWELL B MINIMUM | | HOLE DIAMETER | 2.781 INCHES MINIMUM AND 2.799 INCHES MAXIMUM | | OVERALL DIAMETER | 4.562 INCHES NOMINAL | | MATERIAL | COPPER OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
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