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National Stock Number:
5310-00-737-5259
Federal Supply Class:
5310
National Item Identification Number:
007375259
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:
| 1829W179 | 3D6E9 | MERITOR INDUSTRIAL PRODUCTS, LLC | | 1829W179 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC | | 7375259 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | KC5173 | 56442 | DIAMOND REO TRUCK CO |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.266 INCHES MINIMUM AND 1.296 INCHES MAXIMUM | | OVERALL DIAMETER | 2.235 INCHES MINIMUM AND 2.265 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD 1ST MATERIAL RESPONSE AND SAE ASSN STD 2ND MATERIAL RESPONSE AND QQ-S-698 FED SPEC 3RD MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1015 OR STEEL COMP 1025 OR STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES TOP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TYPE 2,CLASS 1 FED SPEC 1ST TREATMENT RESPONSE AND QQ-Z-325,TYPE 2,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE AND QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 3RD TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THICKNESS | 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM |
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