5310-00-269-5901 WASHER,FLAT Index 5310-00-269-5903 WASHER,FLAT

National Stock Number:
5310-00-269-5902

Federal Supply Class:
5310

National Item Identification Number:
002695902

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:
535025795W.W. GRAINGER, INC.
535073460EATON CORP TRANSMISSION DIV
64875H89346NAVISTAR INTL CORP TRUCK BR OHIO PLANT
8A721995201NAPCO INTERNATIONAL LLC


Techincal Specification:
MATERIALSTEEL COMP 1010 OR
STEEL COMP 1020 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.609 INCHES MINIMUM AND
1.641 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER2.734 INCHES MINIMUM AND
2.766 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.058 INCHES MINIMUM AND
0.068 INCHES MAXIMUM
FEATURES PROVIDEDCASEHARDENED


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