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National Stock Number:
5310-01-227-1466
Federal Supply Class:
5310
National Item Identification Number:
012271466
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:
| 2077977 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | | 2077977 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.342 INCHES MINIMUM AND 0.354 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1050 OVERALL OR STEEL COMP 1551 OVERALL OR STEEL COMP 1552 OVERALL OR STEEL COMP 1053 OVERALL OR STEEL COMP 1054 OVERALL OR STEEL COMP 1055 OVERALL OR STEEL COMP 1059 OVERALL OR STEEL COMP 1060 OVERALL OR STEEL COMP 1561 OVERALL OR STEEL COMP 1062 OVERALL OR STEEL COMP 1064 OVERALL OR STEEL COMP 1065 OVERALL OR STEEL COMP 1566 OVERALL OR STEEL COMP 1069 OVERALL OR STEEL COMP 1070 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MP 126 CODE A,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.071 INCHES MINIMUM AND 0.082 INCHES MAXIMUM |
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