5310-01-208-6744 WASHER,RECESSED Index 5330-01-208-6747 SEAL,PLAIN

National Stock Number:
5310-01-208-6745

Federal Supply Class:
5310

National Item Identification Number:
012086745

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:
123092B45152OSHKOSH CORP
123092B75Q65OSHKOSH DEFENSE LLC


Techincal Specification:
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
BOTTOM RECESS DIAMETER3.240 INCHES NOMINAL
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM
HOLE DIAMETER3.003 INCHES MINIMUM AND 3.008 INCHES MAXIMUM
MATERIAL THICKNESS0.314 INCHES MINIMUM AND 0.318 INCHES MAXIMUM
MATERIALSTEEL COMP 1018 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER4.750 INCHES NOMINAL
STYLE DESIGNATORRECESSED BOTH SIDES
TOP RECESS DIAMETER3.240 INCHES NOMINAL
TOP RECESS ANGLE90.0 DEGREES NOMINAL


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