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National Stock Number:
5310-99-208-4210
Federal Supply Class:
5310
National Item Identification Number:
992084210
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:
| 336381 | K0160 | LISTER PETTER LTD | | BAE19 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | BAE19 | K0160 | LISTER PETTER LTD |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | BS 970EN1A NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM | | SURFACE FINISH | 125.0 MICROINCHES BOTTOM | | SURFACE FINISH | 125.0 MICROINCHES TOP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BS 1706 ZN31AJHA NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THICKNESS | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
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