5310-01-202-8988 WASHER,FLAT Index 5330-01-202-8990 GASKET

National Stock Number:
5310-01-202-8989

Federal Supply Class:
5310

National Item Identification Number:
012028989

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:
260848955284HONEYWELL INTERNATIONAL INC.
260848999193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
HOLE DIAMETER4.540 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
MATERIAL THICKNESS0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
MATERIAL
RECESS DEPTH1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM
OUTSIDE DIAMETER5.390 INCHES NOMINAL
OVERALL HEIGHT1.090 INCHES MINIMUM AND 1.110 INCHES MAXIMUM
SPECIAL FEATURESHEAT TREAT 160-180 KSI
STYLE DESIGNATORRECESSED


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