5310-01-352-2754 WASHER,FLAT Index 5310-01-352-2756 WASHER,SHOULDERED

National Stock Number:
5310-01-352-2755

Federal Supply Class:
5310

National Item Identification Number:
013522755

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:
501419053711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLESQUARE
CENTER HOLE WIDTH0.760 INCHES MINIMUM AND 0.775 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 321 OVERALL
PERIPHERAL SHAPE STYLESQUARE
WIDTH ACROSS FLATS1.500 INCHES NOMINAL
THICKNESS0.188 INCHES NOMINAL


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