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National Stock Number:
6680-00-881-3916
Federal Supply Class:
6680
National Item Identification Number:
008813916
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.
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Manufacturer Information:
| 2010 | 39739 | SCOTT FETZER COMPANY, THE |
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Techincal Specification:
| OVERALL LENGTH | 1.625 INCHES | | OVERALL WIDTH | 6.875 INCHES | | OVERALL HEIGHT | 8.750 INCHES | | LENGTH OF SHAFT FROM HOUSING | 1.250 INCHES SINGLE END | | MOUNTING METHOD | FIXED BASE | | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE | | NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 7.250 INCHES | | NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 6.500 INCHES | | TERMINAL TYPE AND QUANTITY | 2 RECEPTACLE | | CALIBRATION VOLTAGE OUTPUT TYPE IN VOLTS | 21.0 AC | | CALIBRATION SPEED IN RPM | 4200.0 | | ELECTRICAL RESISTANCE | 40.0 OHMS | | ROTOR SPEED RATING IN RPM | 0.0 LOW FULL LOAD AND | | 4600.0 HIGH FULL LOAD | | SHAFT END CHARACTERISTIC | A5 SINGLE STYLE SINGLE END | | SPECIAL FEATURES | 2 ROTOR POLES,ABSOLUTE ACCURACY | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 39739 | | DESIGN CONTROL REFERENCE | 2010 |
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