1660-00-947-5228 SLEEVE,SEALING,SPOON Index 4820-00-947-5231 VALVE,SHUTTLE

National Stock Number:
5310-00-947-5230

Federal Supply Class:
5310

National Item Identification Number:
009475230

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:
64A98B79-110001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
64A98B79-111201DEVAL LIFE CYCLE SUPPORT LLC
65C35291-70ZLV2GSE PRODUCTION AND SUPPORT LLC
64A98B79-153711NAVAL SEA SYSTEMS COMMAND
65C35291-798296STANDARD MFG CO INC
65C35291-798750SAN ANTONIO AIR LOGISTICS CENTER


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.625 INCHES NOMINAL
OVERALL DIAMETER3.000 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALCOPPER ALLOY 268 OR COPPER ALLOY 260 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES TOP
THICKNESS0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM


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