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National Stock Number:
5310-00-540-7995
Federal Supply Class:
5310
National Item Identification Number:
005407995
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:
| 5310005407995 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 6758707 | 24617 | GENERAL MOTORS CORP | | 6758707 | 30379 | EUCLID INC | | 6758707 | 73342 | ALLISON TRANSMISSION INC | | 6758707 | K4914 | DETROIT DIESEL OVERSEAS DISTRIBUTION CORP | | 8349963 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | CV60365 | K2709 | PERKINS ENGINES COMPANY LTD |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 60.0 ROCKWELL B MAXIMUM | | HOLE DIAMETER | 1.020 INCHES MINIMUM AND 1.023 INCHES MAXIMUM | | OVERALL DIAMETER | 1.900 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 50.0 MICROINCHES ALL SURFACES | | THICKNESS | 0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
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