5310-01-306-9936 WASHER,FLAT Index 5330-01-306-9938 SEAL,PLAIN ENCASED

National Stock Number:
5310-01-306-9937

Federal Supply Class:
5310

National Item Identification Number:
013069937

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:
1214554-10117772AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA, LLC
1214554-10198897LOCKHEED MARTIN CORP


Techincal Specification:
HOLE DIAMETER0.198 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.060 INCHES NOMINAL
MATERIALALUMINUM ALLOY 6061 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER0.375 INCHES NOMINAL
RECESS ANGLE100.0 DEGREES NOMINAL
RECESS DIAMETER0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
STYLE DESIGNATORRECESSED


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