5310-00-402-9915 WASHER,FLAT Index 5999-00-402-9918 CIRCUIT CARD ASSEMBLY

National Stock Number:
5310-00-402-9916

Federal Supply Class:
5310

National Item Identification Number:
004029916

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:
04-23560-189244PICKARD AND BURNS INC


Techincal Specification:
MATERIALALUMINUM ALLOY 5052 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED
HOLE DIAMETER0.140 INCHES NOMINAL
OUTSIDE DIAMETER0.625 INCHES NOMINAL
OVERALL HEIGHT0.0945 INCHES NOMINAL
RECESS DEPTH0.0625 INCHES MINIMUM
MATERIAL THICKNESS0.032 INCHES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE89244
DESIGN CONTROL REFERENCE04-23560-1


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