5310-01-518-7061 WASHER,FLAT Index 5310-01-518-7063 WASHER,FLAT

National Stock Number:
5310-01-518-7062

Federal Supply Class:
5310

National Item Identification Number:
015187062

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:
93475A23039428MCMASTER-CARR SUPPLY CO
HVS2513A3CDS0SOUTHERN CALIFORNIA GOLD PRODUCTS, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING70.0 ROCKWELL B NOMINAL
HOLE DIAMETER4.3 MILLIMETERS NOMINAL
OVERALL DIAMETER9.0 MILLIMETERS NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.7 MILLIMETERS MINIMUM AND 0.9 MILLIMETERS MAXIMUM


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