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National Stock Number:
5310-01-115-0763
Federal Supply Class:
5310
National Item Identification Number:
011150763
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:
| 5714-50-40N | 86928 | SEASTROM MANUFACTURING CO INC | | 92917A135 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 230 OR | | COPPER ALLOY 240 OR | | COPPER ALLOY 260 OR | | COPPER ALLOY 268 OR | | COPPER ALLOY 353 OR | | COPPER ALLOY 11 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | NICKEL OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.195 INCHES MINIMUM AND | | 0.205 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.427 INCHES MINIMUM AND | | 0.447 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.040 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 86928 | | DESIGN CONTROL REFERENCE | 5714-50-40N |
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