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National Stock Number:
5310-00-227-1916
Federal Supply Class:
5310
National Item Identification Number:
002271916
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:
| 1229T462 | 23705 | FRUEHAUF CORP | | 1229T462 | 27996 | HEIL ENVIRONMENTAL INDUSTRIES | | 697395 | 23862 | MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP MS 2603-02 | | 697395 | 24617 | GENERAL MOTORS CORP | | 1229T462 | 30076 | HYSTER-YALE GROUP, INC. | | 1229T462 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC | | 7602696 | 19200 | US ARMY ARDEC RDECOM | | 8376227 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | R001000 | 3D6E9 | MERITOR INDUSTRIAL PRODUCTS, LLC | | R001000 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC | | 697395 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | DEE | | CENTER HOLE WIDTH | 1.383 INCHES MINIMUM AND 1.388 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 77.0 ROCKWELL B MAXIMUM | | HOLE DIAMETER | 1.500 INCHES MINIMUM AND 1.531 INCHES MAXIMUM | | OVERALL DIAMETER | 2.734 INCHES MINIMUM AND 2.766 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
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