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National Stock Number:
5310-01-234-7599
Federal Supply Class:
5310
National Item Identification Number:
012347599
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:
| 4300019-4 | 19133 | MCDONNELL DOUGLAS CORP MCDONNELL DOUGLAS AEROSPACE OPNS WEST | | 4300019-4 | 1P230 | SPECIALTY WASHER CO OF SOUTH CAROLINA INC | | 4300019-4 | 76301 | THE BOEING COMPANY | | 4300019-4 | 77264 | PHOENIX SPECIALTY MFG CO INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.055 INCHES MINIMUM AND 0.060 INCHES MAXIMUM | | OVERALL DIAMETER | 0.098 INCHES MINIMUM AND 0.118 INCHES MAXIMUM | | MATERIAL | STEEL COMP 304 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.011 INCHES MINIMUM AND 0.013 INCHES MAXIMUM |
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