5310-01-571-4723 WASHER,FLAT Index 5310-01-571-4815 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-571-4769

Federal Supply Class:
5310

National Item Identification Number:
015714769

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:
AEW24X164000EA1A9105047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
AEW24X164000EA1A9139428MCMASTER-CARR SUPPLY CO


Techincal Specification:
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM F844 CARBON STEEL ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633, TYPE II. SC2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.183 INCHES MINIMUM AND
0.196 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.433 INCHES MINIMUM AND
0.453 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.036 INCHES MINIMUM AND
0.065 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA05047-ASME B18.0.-1965(R1998) PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
PART NAME ASSIGNED BY CONTROLLING AGENCYPREFERRED SIZE TYPE A PLAIN WASHER


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