5963-01-518-0951 ELECTRONIC MODULE,STANDARDIZED Index 5963-01-518-0953 ELECTRONIC MODULE,STANDARDIZED

National Stock Number:
5310-01-518-0952

Federal Supply Class:
5310

National Item Identification Number:
015180952

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.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
COLORNATURAL OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.938 INCHES NOMINAL
OVERALL DIAMETER1.750 INCHES NOMINAL
MATERIALPLASTIC POLYURETHANE OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
THICKNESS0.060 INCHES NOMINAL


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