5310-00-447-2676 WASHER,KEY Index 5310-00-447-2678 WASHER,FLAT

National Stock Number:
5310-00-447-2677

Federal Supply Class:
5310

National Item Identification Number:
004472677

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:
365976011862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
365976023862MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP MS 2603-02
741131019207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
365976024617GENERAL MOTORS CORP
36597607X677GENERAL MOTORS LLC


Techincal Specification:
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
BOTTOM RECESS DIAMETER2.3740 INCHES MINIMUM AND 2.3765 INCHES MAXIMUM
HOLE DIAMETER2.3120 INCHES MINIMUM AND 2.3145 INCHES MAXIMUM
OUTSIDE DIAMETER3.3095 INCHES MINIMUM AND 3.3120 INCHES MAXIMUM
MATERIAL THICKNESS0.155 INCHES MINIMUM AND 0.157 INCHES MAXIMUM
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORRECESSED BOTH SIDES
TOP RECESS ANGLE90.0 DEGREES NOMINAL
TOP RECESS DIAMETER2.374 INCHES MINIMUM AND 3.765 INCHES MAXIMUM


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