5310-00-638-6549 WASHER,FLAT Index 5310-00-638-6554 WASHER,RECESSED

National Stock Number:
5310-00-638-6553

Federal Supply Class:
5310

National Item Identification Number:
006386553

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:
111279-0135351GE AVIATION SYSTEMS LLC


Techincal Specification:
HEAT TREATMENTO-ANNEALED, RECRYSTALLIZED
HOLE DIAMETER0.487 INCHES NOMINAL
OUTSIDE DIAMETER1.097 INCHES NOMINAL
OVERALL HEIGHT0.242 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.033 INCHES NOMINAL
MATERIALALUMINUM ALLOY 5052 OVERALL
RECESS DEPTH0.219 INCHES NOMINAL
STYLE DESIGNATORRECESSED
SURFACE TREATMENTANODIZE OVERALL


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