5310-01-593-6786 WASHER,FLAT 5310-01-593-6770 WASHER,RECESSED

National Stock Number:
5310-01-593-6785

Federal Supply Class:
5310

National Item Identification Number:
015936785

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:
BACW10BP3AC81205THE BOEING COMPANY
BACW10BP3ACZ0HA9BOEING DEFENCE AUSTRALIA


Techincal Specification:
MATERIALIRON ALLOY 660 OVERALL
STYLE DESIGNATORRECESSED
HOLE DIAMETER0.190 INCHES MINIMUM AND
0.201 INCHES MAXIMUM
OUTSIDE DIAMETER0.369 INCHES MINIMUM AND
0.389 INCHES MAXIMUM
RECESS DIAMETER0.272 INCHES MINIMUM AND
0.292 INCHES MAXIMUM
MATERIAL THICKNESS0.057 INCHES MINIMUM AND
0.069 INCHES MAXIMUM
RECESS ANGLE45.0 DEGREES NOMINAL AND
50.0 DEGREES MAXIMUM
SPECIAL FEATURESITEM IS FAA CERTIFIED


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