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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 | | 8349963 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 6758707 | 30379 | EUCLID INC | | 6758707 | 73342 | ALLISON TRANSMISSION INC | | 6758707 | K4914 | DETROIT DIESEL OVERSEAS DISTRIBUTION CORP | | CV60365 | K2709 | PERKINS ENGINES COMPANY LTD |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 1.020 INCHES MINIMUM AND | | 1.023 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.900 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.061 INCHES MINIMUM AND | | 0.063 INCHES MAXIMUM | | HARDNESS RATING | 60.0 ROCKWELL B MAXIMUM | | SURFACE FINISH | 50.0 MICROINCHES ALL SURFACES | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 73342 | | DESIGN CONTROL REFERENCE | 6758707 |
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