6680-00-946-6131 COUNTER,ELECTRICAL Index 9905-00-946-6136 PLATE,IDENTIFICATION

National Stock Number:
6680-00-946-6133

Federal Supply Class:
6680

National Item Identification Number:
009466133

Description:
GENERATOR,TACHOMETER

Detail:
A GENERATOR CONSISTING OF A SERIES OF MOUNTED COILS SURROUNDING A ROTATING PERMANENT MAGNET OR A PERMANENT MAGNET AND A ROTATING ARMATURE. THE VOLTAGE OUTPUT IS DIRECTLY PROPORTIONAL TO THE SPEED OF ROTATION OF THE SHAFT. WHEN USED WITH AN ASSOCIATED INDICATOR, TRANSMITS SUCH DATA AS REVOLUTIONS PER MINUTE, SPEED OF TRAVEL, AND THE LIKE. MAY ALSO BE USED IN SERVOMECHANISM LOOPS AS A SYSTEM STABILIZER. EXCLUDES ROTARY INVERTERS, ROTARY CONVERTERS, MOTOR GENERATORS, DYNAMOTORS, GENERATOR SETS, SYNCHROS, FREQUENCY OR PHASE CHANGERS, AND ENGINE ACCESSORY GENERATORS.


Manufacturer Information:
2710451-50125500LOCKHEED MARTIN CORPORATION
FDE68-13-188818KEARFOTT CORPORATION


Techincal Specification:
ELECTRICAL RESISTANCE80.0 OHMS
CALIBRATION SPEED IN RPM1000.0
CALIBRATION VOLTAGE OUTPUT TYPE IN VOLTS9.0 DC
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS9.0 LINE TO NEUTRAL SINGLE OUTPUT
FLAT DEPTH0.1100 INCHES NOMINAL SINGLE END
FLATTED PORTION LENGTH0.5000 INCHES NOMINAL SINGLE END
LENGTH OF SHAFT FROM HOUSING1.120 INCHES SINGLE END
OVERALL HEIGHT3.500 INCHES
OVERALL LENGTH8.360 INCHES
OVERALL WIDTH3.500 INCHES
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE
MOUNTING METHODFLANGE
ROTOR SPEED RATING IN RPM4000.0 SINGLE FULL LOAD
SHAFT DIAMETER0.3120 INCHES NOMINAL SINGLE END
SHAFT END CHARACTERISTICA5 SINGLE STYLE SINGLE END
TERMINAL TYPE AND QUANTITY2 SCREW


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