Model: 1492-0120304

Tachometer Generator

Properties:

Overall Length
4.312 inches
Overall Width
3.188 inches
Electrical Resistance
4.3 ohms
Width Across Flats
0.3120 inches single end
Mounting Method
Swivel nut coupling
Mounting Facility Type And Quantity
4 unthreaded hole
Calibration Speed In Rpm
1250.0
Calibration Voltage Output Type In Volts
19.5 ac and 21.0 ac
Shaft End Characteristic
A15 single style single end
Terminal Type And Quantity
1 receptacle
NSN
6680-00-769-6984
Part Number
1492-0120304
Description
Generator,tachometer
CAGE
89944

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 1492-0120304 NSN 6680-00-769-6984

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20241
FIIG:
A271A0
Concept No.:
1
App. Key:
F
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 9029205000
  • SITC: 87325
  • End Use: Other parts and accessories of vehicles
  • NAICS: 334514
  • USDA: 1

Freight Class: Speedometers and tachometers, not for use in civil aircraft

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