2920-00-428-6486 CONTACT,ELECTRICAL Index 4920-00-428-6490 HOUSING,INLET

National Stock Number:
5310-00-428-6487

Federal Supply Class:
5310

National Item Identification Number:
004286487

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:
190561316764GENERAL MOTORS CORP DELCO REMY DIV
19056131LW55BORGWARNER PDS (ANDERSON), L.L.C.
190561324617GENERAL MOTORS CORP
190561361928GENERAL MOTORS CORP AC-DELCO DIV GOVERNMENT ORDER DEPT
190561372582ROLLS-ROYCE SOLUTIONS AMERICA INC
19056137X677GENERAL MOTORS LLC
7F490111083CATERPILLAR INC
A06005058275SASCO INC CANADIAN DIV
A06536458275SASCO INC CANADIAN DIV


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
MATERIALSTEEL COMP 1213 OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.625 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.145 INCHES MINIMUM AND 0.150 INCHES MAXIMUM


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