6250-00-276-3029 LAMPHOLDER ASSEMBLY Index 5310-00-276-3032 WASHER,RECESSED

National Stock Number:
5310-00-276-3031

Federal Supply Class:
5310

National Item Identification Number:
002763031

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:
42282100447WABCO CONSTRUCTION AND MINING EQUIPMENT GROUP INDIANAPOLIS PLANT AN AMERICAN STANDARD INC CO


Techincal Specification:
MATERIALSTEEL COMP MTX1020 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING75.0 ROCKWELL A MINIMUM AND
81.0 ROCKWELL A MAXIMUM
STYLE DESIGNATORRECESSED
HOLE DIAMETER0.766 INCHES NOMINAL
OUTSIDE DIAMETER1.500 INCHES NOMINAL
RECESS DIAMETER0.891 INCHES NOMINAL
MATERIAL THICKNESS0.359 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
RECESS ANGLE90.0 DEGREES NOMINAL


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