5310-01-326-3474 WASHER,RECESSED Index 3950-01-326-3476 CAPSTAN

National Stock Number:
5310-01-326-3475

Federal Supply Class:
5310

National Item Identification Number:
013263475

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:
5265301-00153711NAVAL SEA SYSTEMS COMMAND
685-7458-00113499ROCKWELL COLLINS, INC.


Techincal Specification:
MATERIALALUMINUM ALLOY 6061 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED
HOLE DIAMETER0.164 INCHES NOMINAL
OUTSIDE DIAMETER0.750 INCHES NOMINAL
MATERIAL THICKNESS0.147 INCHES NOMINAL
RECESS ANGLE98.0 DEGREES MINIMUM AND
102.0 DEGREES MAXIMUM
SPECIAL FEATURES45.0 DEG CHAMFER,RECESS SIDE,LEAVING 0.500 IN. OD FLAT BEARING SURFACE


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