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National Stock Number:
6680-00-487-4371
Federal Supply Class:
6680
National Item Identification Number:
004874371
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:
| 985G02 | 80070 | LOCKHEED MARTIN CORPORATION | | 985G02 | 89944 | ELBITAMERICA, INC. |
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Techincal Specification:
| ELECTRICAL RESISTANCE | 36.0 OHMS | | ACCURACY RANGE IN PERCENT | -3.6 TO 3.6 | | CALIBRATION SPEED IN RPM | 1800.0 | | CALIBRATION VOLTAGE OUTPUT TYPE IN VOLTS | 30.0 AC | | FLATTED PORTION LENGTH | 0.7500 INCHES NOMINAL SINGLE END | | OVERALL HEIGHT | 2.360 INCHES | | OVERALL LENGTH | 4.219 INCHES | | OVERALL WIDTH | 2.500 INCHES | | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE | | MOUNTING METHOD | PAD | | NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.875 INCHES | | SHAFT DIAMETER | 0.3450 INCHES NOMINAL SINGLE END | | SHAFT END CHARACTERISTIC | A15 SINGLE STYLE SINGLE END | | WIDTH ACROSS FLATS | 0.2444 INCHES NOMINAL SINGLE END | | TERMINAL TYPE AND QUANTITY | 1 RECEPTACLE |
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