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National Stock Number:
5310-99-888-3857
Federal Supply Class:
5310
National Item Identification Number:
998883857
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:
| 1412/0001D | K7599 | J.C. BAMFORD EXCAVATORS LIMITED |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 6.35 MILLIMETERS NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | PART/0041 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | LARGE PLAIN BRIGHT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | STD00017 TYPE 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL |
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