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National Stock Number:
5310-00-968-3171
Federal Supply Class:
5310
National Item Identification Number:
009683171
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:
| 10121900 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 4M27-4 | 71286 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 4M27-4 | 76301 | THE BOEING COMPANY | | 4M27-4 | D0680 | FAIRCHILD FASTENERS EUROPE CAMLOC GMBH |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.128 INCHES MINIMUM AND 0.138 INCHES MAXIMUM | | OVERALL DIAMETER | 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1010 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |
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