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Part Number

Part Number:
NSN:
NIIN:
Item Name:
WASHER , FLAT

Definition:

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.

CAGE Information

Code Company
80205 NATIONAL AEROSPACE STANDARDS COMMITT

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
HEAT HEAT TREATMENT H-34 STRAIN HARDENED, STABILIZED TO 1/2 HARD
HEAT HEAT TREATMENT H-34 STRAIN HARDENED, STABILIZED TO 1/2 HARD
AAGR CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
MATT MATERIAL ALUMINUM ALLOY 5052 OVERALL
ABMX CENTER HOLE SHAPE STYLE ROUND
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-318 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
ADAV OVERALL DIAMETER 0.375 INCHES NOMINAL
AAUB HOLE DIAMETER 0.138 INCHES NOMINAL
ABMW PERIPHERAL SHAPE STYLE ROUND
ABNM THICKNESS 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM

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