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National Stock Number:
5310-01-213-6903
Federal Supply Class:
5310
National Item Identification Number:
012136903
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:
| 10110167 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 5710-6-15 | 86928 | SEASTROM MANUFACTURING CO INC | | 72835-15 | 93835 | PARKER-HANNIFIN CORP | | 72838-15 | 75250 | ABEX CORP AEROSPACE DIV OXNARD CA |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM | | OVERALL DIAMETER | 0.146 INCHES MINIMUM AND 0.176 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 302 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.015 INCHES NOMINAL |
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