5310-01-208-7577 WASHER,FLAT Index 5331-01-208-7579 O-RING

National Stock Number:
5310-01-208-7578

Federal Supply Class:
5310

National Item Identification Number:
012087578

Description:
WASHER,RECESSED

Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.


Manufacturer Information:
1N7006 ITEM 611083CATERPILLAR INC
1N759511083CATERPILLAR INC


Techincal Specification:
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
BOTTOM RECESS DIAMETER4.576 INCHES NOMINAL
HOLE DIAMETER4.516 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION1E357,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER5.000 INCHES NOMINAL
SPECIAL FEATURESOUTSIDE CORNERS CHAMFERED 0.030 IN. BY 45.0 DEG
STYLE DESIGNATORRECESSED BOTH SIDES
TOP RECESS DIAMETER4.576 INCHES NOMINAL
TOP RECESS ANGLE90.0 DEGREES NOMINAL


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