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National Stock Number:
5310-01-092-0246
Federal Supply Class:
5310
National Item Identification Number:
010920246
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:
| 895009-23 | 89305 | SIMMONDS PRECISION PRODUCTS INC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 260 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613,TEMPER HALF-HARD FED SPEC SINGLE MATERIAL RESPONSE OR | | QQ-B-626,TEMPER HALF-HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.125 INCHES MINIMUM AND | | 0.127 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.203 INCHES MINIMUM AND | | 0.208 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.0095 INCHES MINIMUM AND | | 0.0105 INCHES MAXIMUM | | MINIMUM TENSILE STRENGTH | 57000 POUNDS PER SQUARE INCH |
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