5310-01-158-6268 WASHER,RECESSED Index 5330-01-158-6270 SEAL,PLAIN ENCASED

National Stock Number:
5310-01-158-6269

Federal Supply Class:
5310

National Item Identification Number:
011586269

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:
880769-206481NORTHROP GRUMMAN SYSTEMS CORPORATION
880769-259364HONEYWELL INTERNATIONAL INC.
880769-299193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
HOLE DIAMETER0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.036 INCHES MINIMUM AND 0.040 INCHES MAXIMUM
MATERIALALUMINUM ALLOY 6061 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
RECESS ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
RECESS DIAMETER0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
STYLE DESIGNATORRECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OVERALL


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