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 |
18876 |
U S ARMY AVIATION AND MISSILE COMMAN |
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
171 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
ADAV |
OVERALL DIAMETER |
0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-766,COND A FED SPEC 1ST MATERIAL RESPONSE OVERALL AND MIL-S-5059,ANNEALED MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
AAGR |
CROSS-SECTIONAL SHAPE STYLE |
RECTANGULAR |
ABMX |
CENTER HOLE SHAPE STYLE |
ROUND |
ABNM |
THICKNESS |
0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
ABMW |
PERIPHERAL SHAPE STYLE |
ROUND |
AAUB |
HOLE DIAMETER |
0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
MATT |
MATERIAL |
STEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL |
SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
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