Product Details | TACHOMETER GENERATOR

6680-00-551-3825 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.

Part Alternates: 005513825

Instruments and Laboratory Equipment | Engine Instruments

Supply Group (FSG) NSN Assign. NIIN
66 00-551-3825

Demand History | NSN 6680-00-551-3825

Part Number Request Date QTY Origin
32164000 2011-04-104 1 US

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Technical Data | NSN 6680-00-551-3825

Characteristic Specifications
OVERALL LENGTH 4.312 INCHES
OVERALL WIDTH 2.750 INCHES
OVERALL HEIGHT 3.469 INCHES
LENGTH OF SHAFT FROM HOUSING 0.462 INCHES SINGLE END
MOUNTING FACILITY TYPE AND QUANTITY 4 UNTHREADED HOLE
TERMINAL TYPE AND QUANTITY 1 CONNECTOR, PLUG
CALIBRATION VOLTAGE OUTPUT TYPE IN VOLTS 21.0 AC
ROTOR SPEED RATING IN RPM 1000.0 LOW FULL LOAD AND 4200.0 HIGH FULL LOAD
SHAFT END CHARACTERISTIC A15 SINGLE STYLE SINGLE END
WIDTH ACROSS FLATS 0.2440 INCHES NOMINAL SINGLE END
FEATURES PROVIDED HORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILG9398
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS28054-2

Restrictions/Controls & Freight Information | NSN 6680-00-551-3825

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information