4920-01-560-6143 MASK,PLASMA SPRAY Index 5306-01-560-6145 BOLT,MACHINE

National Stock Number:
5310-01-560-6144

Federal Supply Class:
5310

National Item Identification Number:
015606144

Description:
WASHER,RECESSED

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:
CB9541CR4E66530CLICK BOND INC


Techincal Specification:
HOLE DIAMETER0.272 INCHES MINIMUM AND 0.277 INCHES MAXIMUM
OUTSIDE DIAMETER0.525 INCHES NOMINAL
OVERALL HEIGHT0.083 INCHES MINIMUM AND 0.087 INCHES MAXIMUM
MATERIALSTEEL COMP 304 OR IRON ALLOY 660 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, COUNTERBORED
RECESS DEPTH0.073 INCHES MINIMUM AND 0.077 INCHES MAXIMUM
RECESS DIAMETER0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
STYLE DESIGNATORRECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2700 FED STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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