5365-01-213-4188 SHIM Index 5310-01-213-4190 WASHER,FLAT

National Stock Number:
5310-01-213-4189

Federal Supply Class:
5310

National Item Identification Number:
012134189

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:
10159725A486GNIMIKKEISTOKESKUS NCB FINLAND
G98-200328DESIGNATRONICS INCORPORATED
N400P303538LOCKHEED MARTIN CORPORATION
N400P309172GENERAL ELECTRIC CO MATERIALS INFORMATION SERVICES
N400P377264PHOENIX SPECIALTY MFG CO INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM
OVERALL DIAMETER0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
MATERIALSTEEL CORROSION RESISTING OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM


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