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National Stock Number:
5310-01-169-0004
Federal Supply Class:
5310
National Item Identification Number:
011690004
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:
| LD152-0018-0052 | 43999 | THE BOEING COMPANY |
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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 | 0.480 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/2,T6 OR T651 OR T6511 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/4,T6 OR T651 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-200/3,T4 OR T3511 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/6,T4 OR T351 FED SPEC 2ND MATERIAL RESPONSE OR WW-T-700/3,T3 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-200/8,T6 OR T6511 FED SPEC 3RD MATERIAL RESPONSE OR QQ-A-225/8,T6 OR T651 FED SPEC 3RD MATERIAL RESPONSE OR WW-T-700/6,T6 FED SPEC 3RD MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIFICATION/STANDARD DATA | 43999-LD152-0018 MANUFACTURERS STANDARD | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-P-1757 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PAINT OVERALL | | THICKNESS | 0.047 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
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