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 |
78286 |
SIKORSKY AIRCRAFT CORPORATION |
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
MATT |
MATERIAL |
STEEL COMP 4130 OVERALL |
AAGR |
CROSS-SECTIONAL SHAPE STYLE |
RECTANGULAR |
ADAV |
OVERALL DIAMETER |
1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
BWJH |
HOLE WIDTH ACROSS FLATS |
0.876 INCHES MINIMUM AND 0.877 INCHES MAXIMUM |
ABMX |
CENTER HOLE SHAPE STYLE |
ROUND W/FLATS |
AAUB |
HOLE DIAMETER |
0.782 INCHES MINIMUM AND 0.783 INCHES MAXIMUM |
ABNM |
THICKNESS |
0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
CQFM |
HARDNESS RATING |
25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
ABMW |
PERIPHERAL SHAPE STYLE |
ROUND |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-6759,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
Similar Parts