5310-01-187-0688 WASHER,LOCK Index 5310-01-187-0690 WASHER,SPRING TENSION

National Stock Number:
5310-01-187-0689

Federal Supply Class:
5310

National Item Identification Number:
011870689

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:
9L956911083CATERPILLAR INC


Techincal Specification:
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
BOTTOM RECESS DIAMETER0.539 INCHES MINIMUM AND 0.579 INCHES MAXIMUM
HEAT TREATMENTHARDENED
HOLE DIAMETER0.469 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION1E2174,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.188 INCHES NOMINAL
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER1.500 INCHES NOMINAL
STYLE DESIGNATORRECESSED BOTH SIDES
TOP RECESS ANGLE90.0 DEGREES NOMINAL
TOP RECESS DIAMETER0.539 INCHES MINIMUM AND 0.579 INCHES MAXIMUM


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