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Part Number

Part Number:
NSN:
NIIN:
Item Name:
MOTOR-TACHOMETER GENERATOR

Definition:

AN ITEM WHICH IS AN ELECTRICAL ROTATING MACHINE COMBINING BOTH CONTROL MOTOR AND TACHOMETER GENERATOR ACTION. THE CONTROL MOTOR AND TACHOMETER GENERATOR MAY BE CONTAINED IN THE SAME OR SEPARATE HOUSINGS. IT IS DESIGNED FOR SERVO APPLICATION WHERE INSTANT RESPONSE TO INPUT SIGNAL IS ESSENTIAL. IT IS GENERALLY USED IN CIRCUITS WHERE THE OUTPUT POTENTIAL FROM THE TACHOMETER GENERATOR IS FED BACK TO PREVENT EXCESSIVE OSCILLATION AND FOR ASSURING HIGH STABILITY IN A SERVO LOOP. EXCLUDES DYNAMOTOR; AND MOTOR-GENERATOR.

CAGE Information

Code Company
3BMV1 FIRSTMARK AEROSPACE CORPORATION

Federal Supply Class

Title

MOTORS, ELECTRICAL

Inclusions:

Exclusions:

EXCLUDES STARTING MOTORS FOR ENGINES.

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AAJV OVERALL WIDTH 2.750 INCHES
AXHR MOUNTING FACILITY TYPE AND QUANTITY 4 UNTHREADED HOLE
CWGL CURRENT RATING IN AMPS 2.000 SINGLE INPUT
TTQY TERMINAL TYPE AND QUANTITY 7 WIRE LEAD
CWFX ROTOR SPEED RATING IN RPM 6300.0 SINGLE FULL LOAD
ANPZ INCLOSURE FEATURE TOTALLY INCLOSED
AAJT OVERALL HEIGHT 2.625 INCHES
AYHE EXCITOR TYPE SELF-EXCITED
CWHZ SHAFT END CHARACTERISTIC A1 SINGLE STYLE IDENTICAL ENDS
BKPQ INCLOSURE SPECIFICATION COMMERCIAL
CWGD NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT 1.900 INCHES
BKPC CALIBRATION VOLTAGE OUTPUT TYPE IN VOLTS 16.5 DC
AXGY MOUNTING METHOD PAD
CWGQ CONNECTION TYPE AND VOLTAGE RATING IN VOLTS 27.5 LINE TO NEUTRAL SINGLE INPUT
BFLQ CALIBRATION SPEED IN RPM 1000.0
BFMF COOLING METHOD AMBIENT AIR
CWCS LENGTH OF SHAFT FROM HOUSING 0.438 INCHES FIRST END
CWCS LENGTH OF SHAFT FROM HOUSING 0.438 INCHES SECOND END
CBBL FEATURES PROVIDED VERTICAL MOUNTING POSITION AND HORIZONTAL MOUNTING POSITION
ACDC CURRENT TYPE DC INPUT
AAJU OVERALL LENGTH 6.275 INCHES
CWFY NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH 1.900 INCHES
CWDY TEMP RATING -29.0 AMBIENT DEG CELSIUS AND 71.0 AMBIENT DEG CELSIUS
ABWV SHAFT DIAMETER 0.249 INCHES MINIMUM SECOND END AND 0.250 INCHES MAXIMUM SECOND END
BKPS CONTROL FIELD VOLTAGE TYPE AND RATING IN VOLTS 27.5 DC
BKPH TORQUE RATING AND TYPE 8.0 INCH-OUNCES STALLED
ABWV SHAFT DIAMETER 0.172 INCHES NOMINAL FIRST END

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