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 |
| ABNM |
THICKNESS |
0.016 INCHES NOMINAL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-A-250/5 FED SPEC 1ST MATERIAL RESPONSE OVERALL AND QQ-A-250/5 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| AAGR |
CROSS-SECTIONAL SHAPE STYLE |
RECTANGULAR |
| MATT |
MATERIAL |
ALUMINUM ALLOY 2024 OVERALL AND ALUMINUM ALLOY 1230 OVERALL |
| ABMX |
CENTER HOLE SHAPE STYLE |
ROUND |
| ABMW |
PERIPHERAL SHAPE STYLE |
ROUND |
| ADAV |
OVERALL DIAMETER |
1.057 INCHES MINIMUM AND 1.082 INCHES MAXIMUM |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AAUB |
HOLE DIAMETER |
0.568 INCHES MINIMUM AND 0.588 INCHES MAXIMUM |
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