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National Stock Number:
5310-01-181-5050
Federal Supply Class:
5310
National Item Identification Number:
011815050
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:
| LD152-0061-0180 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2014 OR | | ALUMINUM ALLOY 2024 OR | | ALUMINUM ALLOY 6061 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/2,T6 OR T6511 FED SPEC 1ST MATERIAL RESPONSE OR | | QQ-A-200/3,T4 OR T3511 FED SPEC 2ND MATERIAL RESPONSE OR | | QQ-A-200/8,T6 OR T6511 FED SPEC 3RD MATERIAL RESPONSE OR | | WW-T-700/6,T6 FED SPEC 3RD MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PAINT OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-P-1757 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.640 INCHES MINIMUM AND | | 0.646 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.902 INCHES MINIMUM AND | | 0.912 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.175 INCHES MINIMUM AND | | 0.180 INCHES MAXIMUM |
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