5310-00-078-3418 WASHER,RECESSED Index 5310-00-078-3420 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-078-3419

Federal Supply Class:
5310

National Item Identification Number:
000783419

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:
1752282340L3HARRIS TECHNOLOGIES, INC.
54A50A3310001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
HOLE DIAMETER1.375 INCHES NOMINAL
OUTSIDE DIAMETER1.875 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.093 INCHES NOMINAL
MATERIALALUMINUM ALLOY 6061 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
RECESS DIAMETER1.500 INCHES NOMINAL
RECESS ANGLE90.0 DEGREES NOMINAL
STYLE DESIGNATORRECESSED
SURFACE TREATMENTANODIZE OVERALL


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