5310-01-023-5885 WASHER,FLAT Index 5935-01-023-5887 SOCKET,PLUG-IN ELECTRONIC COMPON

National Stock Number:
5310-01-023-5886

Federal Supply Class:
5310

National Item Identification Number:
010235886

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:
1165544919207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
5310010235886A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
5310010235886SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE


Techincal Specification:
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM
HEAT TREATMENTQUENCHED AND TEMPERED
HOLE DIAMETER0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
OUTSIDE DIAMETER1.218 INCHES MINIMUM AND 1.228 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM
MATERIALSTEEL COMP 1141 OR STEEL COMP 1144 OVERALL
STYLE DESIGNATORRECESSED BOTH SIDES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
TOP RECESS ANGLE90.0 DEGREES NOMINAL


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