3120-01-202-6774 BEARING,WASHER,THRUST Index 5310-01-202-6776 WASHER,FLAT

National Stock Number:
5310-01-202-6775

Federal Supply Class:
5310

National Item Identification Number:
012026775

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:
941779411862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
941779424617GENERAL MOTORS CORP
94177947X677GENERAL MOTORS LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM
OVERALL DIAMETER1.743 INCHES MINIMUM AND 1.780 INCHES MAXIMUM
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTZINC OVERALL
THICKNESS0.090 INCHES MINIMUM AND 0.112 INCHES MAXIMUM


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