5360-00-281-6345 SPRING,HELICAL,EXTENSION Index 5310-00-281-6348 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-281-6347

Federal Supply Class:
5310

National Item Identification Number:
002816347

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:
10121262A486GNIMIKKEISTOKESKUS NCB FINLAND
5310002816347A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
NAS1587-8C80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
5310PL11111189009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH


Techincal Specification:
HOLE DIAMETER0.504 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
OUTSIDE DIAMETER0.875 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES OR QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS0.078 INCHES NOMINAL
MATERIALSTEEL COMP 321 OR STEEL COMP 347 OVERALL
RECESS ANGLE90.0 DEGREES NOMINAL
RECESS DIAMETER0.604 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1587 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATORRECESSED
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES TOP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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