5310-00-136-7819 WASHER,FLAT Index 5331-00-136-7823 O-RING

National Stock Number:
5310-00-136-7820

Federal Supply Class:
5310

National Item Identification Number:
001367820

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:
53101367820A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
53101367820SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
876715919206ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL


Techincal Specification:
HOLE DIAMETER0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
OUTSIDE DIAMETER0.710 INCHES MINIMUM AND 0.720 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-393 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
MATERIALPLASTIC POLYCARBONATE OVERALL
RECESS ANGLE90.0 DEGREES NOMINAL
RECESS DEPTH0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
RECESS DIAMETER0.370 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
STYLE DESIGNATORRECESSED


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