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National Stock Number:
5310-00-209-0135
Federal Supply Class:
5310
National Item Identification Number:
002090135
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:
| 609051 | 06650 | BELL AND HOWELL PHILLIPSBURG CO CORPORATE OFFICES | | 9051P5 | 06650 | BELL AND HOWELL PHILLIPSBURG CO CORPORATE OFFICES | | WAS150 | 21900 | FEDERAL DIV OF VICTOREEN INSTRUMENT CO INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.190 INCHES MINIMUM AND 0.193 INCHES MAXIMUM | | OVERALL DIAMETER | 0.337 INCHES MINIMUM AND 0.347 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THICKNESS | 0.0465 INCHES MINIMUM AND 0.0515 INCHES MAXIMUM |
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