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National Stock Number:
5310-00-619-1247
Federal Supply Class:
5310
National Item Identification Number:
006191247
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:
| 2W1AL6-6-16 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | -QQ-A-287 FED SPEC 1ST MATERIAL RESPONSE OR -QQ-A-362 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | OVERALL DIAMETER | 1.620 INCHES MINIMUM AND 1.680 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 7075 OR ALUMINUM ALLOY 2024 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIFICATION/STANDARD DATA | 43999-2W1 MANUFACTURERS STANDARD | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THICKNESS | 0.125 INCHES NOMINAL |
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