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National Stock Number:
5310-00-121-3003
Federal Supply Class:
5310
National Item Identification Number:
001213003
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:
| 7581K81P001 | 97424 | AMETEK INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.063 INCHES MINIMUM AND 0.065 INCHES MAXIMUM | | OVERALL DIAMETER | 0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766 1/4 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 302 OVERALL | | PERIPHERAL SHAPE STYLE | DEE | | WIDTH | 0.141 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | +4A-WB1A FSC-97424 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.004 INCHES MINIMUM AND 0.006 INCHES MAXIMUM |
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