5310-00-937-7546 WASHER,FLAT Index 5310-00-937-7550 NUT,PLAIN,BARREL

National Stock Number:
5310-00-937-7548

Federal Supply Class:
5310

National Item Identification Number:
009377548

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:
124231W79318MEGGITT NORTH HOLLYWOOD INC


Techincal Specification:
HOLE DIAMETER0.188 INCHES MINIMUM AND 0.194 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.025 INCHES NOMINAL
MATERIALSTEEL COMP 303 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER0.310 INCHES NOMINAL
RECESS ANGLE90.0 DEGREES NOMINAL
RECESS DIAMETER0.218 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
STYLE DESIGNATORRECESSED
SURFACE TREATMENTPASSIVATE OVERALL


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