5310-00-285-4235 WASHER,FLAT Index 5330-00-285-4237 WASHER

National Stock Number:
5310-00-285-4236

Federal Supply Class:
5310

National Item Identification Number:
002854236

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:
645H10230190ILG INDUSTRIES INC
8500-501430190ILG INDUSTRIES INC
N5560ALT1PC7730190ILG INDUSTRIES INC
SPB68117ITEM530190ILG INDUSTRIES INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.688 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONC-F-206,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALWOOL COMP 12R1 OVERALL
OVERALL DIAMETER1.125 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.188 INCHES NOMINAL


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