5310-01-277-4365 WASHER,FLAT Index 5310-01-277-4367 WASHER,FLAT

National Stock Number:
5310-01-277-4366

Federal Supply Class:
5310

National Item Identification Number:
012774366

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:
5310012774366A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
5310012774366SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
67779386H244THE W.W. WILLIAMS COMPANY, LLC
677793873342ALLISON TRANSMISSION INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING65.0 ROCKWELL B MINIMUM
HOLE DIAMETER0.759 INCHES MINIMUM AND 0.762 INCHES MAXIMUM
OVERALL DIAMETER1.500 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH50.0 MICROINCHES BOTTOM
SURFACE FINISH50.0 MICROINCHES INNER
THICKNESS0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM


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