5820-00-378-5139 BUSHING Index 5310-00-378-5143 WASHER,CONVEX

National Stock Number:
5310-00-378-5142

Federal Supply Class:
5310

National Item Identification Number:
003785142

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:
SCB12560480063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR
SK5320-509731922LEEDS AND NORTHRUP CO A UNIT OF GENERAL SIGNAL CORP


Techincal Specification:
HOLE DIAMETER0.204 INCHES MINIMUM AND 0.214 INCHES MAXIMUM
OUTSIDE DIAMETER0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM
OVERALL HEIGHT0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM
MATERIAL THICKNESS0.047 INCHES NOMINAL
MATERIALCOPPER ALLOY 360 OVERALL
RECESS DEPTH0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
STYLE DESIGNATORSPRING TENSION
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES TOP


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