5310-00-995-6993 WASHER,FLAT Index 8010-00-995-7015 ENAMEL

National Stock Number:
5310-00-995-6999

Federal Supply Class:
5310

National Item Identification Number:
009956999

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:
900380018876U S ARMY AVIATION AND MISSILE COMMAND
P40415006KW9LUCENT TECHNOLOGIES INC DBA FEDERAL MARKETING GROUP
P4041503B4M0LUCENT TECHNOLOGIES INC CORPORATE HEADQUARTERS
P40415064959AMERICAN TELEPHONE AND TELEGRAPH CO


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.391 INCHES NOMINAL
OVERALL DIAMETER0.625 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTNICKEL OVERALL
THICKNESS0.020 INCHES NOMINAL


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