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National Stock Number:
6680-00-490-9929
Federal Supply Class:
6680
National Item Identification Number:
004909929
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:
| 202 | 39739 | SCOTT FETZER COMPANY, THE | | 2020-120-2 | 39739 | SCOTT FETZER COMPANY, THE |
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Techincal Specification:
| EXCITOR TYPE | SELF-EXCITED | | FEATURES PROVIDED | HORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION | | LENGTH OF SHAFT FROM HOUSING | 1.250 INCHES SINGLE END | | OVERALL HEIGHT | 6.250 INCHES | | OVERALL LENGTH | 8.125 INCHES | | OVERALL WIDTH | 4.750 INCHES | | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE | | NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 3.125 INCHES | | NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 4.000 INCHES | | ROTOR SPEED RATING IN RPM | 3500.0 SINGLE FULL LOAD | | SHAFT DIAMETER | 0.5000 INCHES NOMINAL SINGLE END | | SHAFT END CHARACTERISTIC | A1 SINGLE STYLE SINGLE END | | SHAFT ROTATION DIRECTION | CLOCKWISE SINGLE END | | TERMINAL TYPE AND QUANTITY | 3 WIRE LEAD |
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