Model: 704A47-611-015

Tachometer Generator

Properties:

Overall Length
2.750 inches
Overall Width
2.180 inches
Electrical Resistance
80.0 ohms
Shaft Diameter
0.311 inches single end
Flatted Portion Length
0.100 inches single end
Current Type
Ac output
Shaft Rotation Direction
Counterclockwise single end
Width Across Flats
0.244 inches single end
Mounting Method
Flange
Mounting Facility Type And Quantity
4 unthreaded hole
Calibration Speed In Rpm
4200.0
Calibration Voltage Output Type In Volts
21.0 ac
Length Of Shaft From Housing
0.563 inches single end
Center To Center Distance Between Mounting Facilities Parallel To Length
1.876 inches
Mounting Facility Circle Diameter
1.500 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
1.876 inches
Center To Center Distance Between Mounting Facilities Parallel To Height
1.876 inches
Shaft End Characteristic
A15 single style single end
Terminal Type And Quantity
2 binding post
NSN
6680-01-211-2272
Part Number
704A47-611-015
Description
Generator,tachometer
CAGE
F0210

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 704A47-611-015 NSN 6680-01-211-2272

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:
U
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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