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National Stock Number:
5310-00-350-2793
Federal Supply Class:
5310
National Item Identification Number:
003502793
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:
| 1A7488 | 95201 | NAPCO INTERNATIONAL LLC | | 384631 | 65282 | WHITE MOTOR CORP | | 9B8717 | 11083 | CATERPILLAR INC | | P2949 | 15866 | DART UNION CO | | P2949 | 18265 | DONALDSON COMPANY, INC. | | 3B4631 | 65282 | WHITE MOTOR CORP | | P2949 | 19107 | DART TRUCK CO | | P2949 | 24617 | GENERAL MOTORS CORP | | P2949 | 33323 | KENWORTH TRUCK CO A DIV OF PACCAR INC | | P2949 | 56442 | DIAMOND REO TRUCK CO | | P2949 | 62265 | VOLVO TRUCKS NORTH AMERICA INC. DBA FOREIGN PARENT IS VOLVO LASTVAGNAR AB GOTEBORG SWEDEN. | | P2949 | 65282 | WHITE MOTOR CORP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.265 INCHES NOMINAL | | LENGTH | 0.469 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | RECTANGULAR | | WIDTH ACROSS FLATS | 0.469 INCHES NOMINAL | | SURFACE TREATMENT | ZINC OVERALL | | THICKNESS | 0.059 INCHES NOMINAL |
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