5310-01-351-2862 WASHER,KEY Index 5310-01-351-2864 WASHER,FLAT

National Stock Number:
5310-01-351-2863

Federal Supply Class:
5310

National Item Identification Number:
013512863

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.


Manufacturer Information:
580101XBP3LEROI INTERNATIONAL INC DBA COMPAIR LEROI
5801053239COMPAIR KELLOGG DIV OF ROBERTSHAW CONTROLS CO
58010U8737GOLDSHIELD PHARMACEUTICALS LTD


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER8.3 MILLIMETERS NOMINAL
OVERALL DIAMETER11.0 MILLIMETERS NOMINAL
MATERIALCOPPER OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS1.0 MILLIMETERS NOMINAL


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