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National Stock Number:
5310-01-535-4620
Federal Supply Class:
5310
National Item Identification Number:
015354620
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:
| 54593-50 | 99643 | EATON AEROSPACE LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.198 INCHES MINIMUM AND 0.218 INCHES MAXIMUM | | OVERALL DIAMETER | 0.325 INCHES MINIMUM AND 0.345 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE-AMS-QQ-S-766 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SAE-AMS-QQ-P-35 ASSN STD 1ST TREATMENT RESPONSE OR SPS-209, METHOD 1 MFR REF 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
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