5310-01-266-2480 WASHER,FLAT Index 5310-01-266-2482 WASHER,RECESSED

National Stock Number:
5310-01-266-2481

Federal Supply Class:
5310

National Item Identification Number:
012662481

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:
4B-4278HD208PON EQUIPMENT B.V.
4B427811083CATERPILLAR INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER10.2 MILLIMETERS NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION1E357,CAGEC 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER20.0 MILLIMETERS MINIMUM AND 21.0 MILLIMETERS MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION1E397,CAGEC 11083 MFR REF ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTCADMIUM OVERALL OR ZINC OVERALL
THICKNESS1.5 MILLIMETERS NOMINAL


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