5310-00-599-3163 WASHER,FLAT Index 5310-00-599-3170 WASHER,FLAT

National Stock Number:
5310-00-599-3164

Federal Supply Class:
5310

National Item Identification Number:
005993164

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:
79870610001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
7987853711NAVAL SEA SYSTEMS COMMAND
A9558309017EDO


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING84.0 ROCKWELL M MINIMUM AND 113.0 ROCKWELL M MAXIMUM
HOLE DIAMETER0.152 INCHES NOMINAL
OVERALL DIAMETER0.375 INCHES NOMINAL
MATERIALPLASTIC OVERALL
MINIMUM TENSILE STRENGTH3880 POUNDS PER SQUARE INCH
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.0625 INCHES NOMINAL


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