4140-01-467-9964 FAN,CENTRIFUGAL Index 4140-01-467-9966 FAN,CENTRIFUGAL

National Stock Number:
5310-01-467-9965

Federal Supply Class:
5310

National Item Identification Number:
014679965

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:
92007A125501365MARINE CORPS LOGISTICS COMMAND TECHNICAL DATA REPOSITORY CUSTOMER SERVICE-MICC LOGISTICS OPERATIONS CENTER


Techincal Specification:
MATERIALSTEEL CORROSION RESISTING OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.375 INCHES NOMINAL
PERIPHERAL SHAPE STYLEOVAL
WIDTH1.000 INCHES NOMINAL
RADIUS AT SMALL END0.120 INCHES NOMINAL
RADIUS AT LARGE END0.500 INCHES NOMINAL
LENGTH1.120 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.090 INCHES NOMINAL
SURFACE FINISH250.0 MICROINCHES ALL SURFACES


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