5310-01-172-2057 WASHER,FLAT Index 5310-01-172-2059 WASHER,FLAT

National Stock Number:
5310-01-172-2058

Federal Supply Class:
5310

National Item Identification Number:
011722058

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:
754-2-36303-000K2523EATON LIMITED


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER29.00 MILLIMETERS NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONBS1449.S25 NATIONAL SPEC 1ST MATERIAL RESPONSE OVERALL OR BS1449.S12 NATIONAL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL OR STEEL COMP 321 OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER40.00 MILLIMETERS MINIMUM AND 40.25 MILLIMETERS MAXIMUM
THICKNESS0.50 MILLIMETERS NOMINAL


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