Model: CB247

Tachometer Generator

Properties:

Overall Height
2.000 inches
Overall Width
1.625 inches
Electrical Resistance
286.0 ohms
Shaft Diameter
0.1560 inches single end
End Application
Gun systems
Shaft Rotation Direction
Counterclockwise single end
Mounting Method
Fixed base
Mounting Facility Type And Quantity
4 threaded hole
Excitor Type
Self-excited
Accuracy Range In Percent
-15.0/+15.0
Features Provided
Horizontal mounting position and vertical mounting position
Center To Center Distance Between Mounting Facilities Parallel To Length
1.000 inches
Rotor Speed Rating In Rpm
3000.0 single full load
Center To Center Distance Between Mounting Facilities Parallel To Width
1.250 inches
Connection Type And Voltage Rating In Volts
72.9 line to neutral single output
Shaft End Characteristic
A1 single style single end
NSN
6680-00-312-1336
Part Number
CB247
Description
Generator,tachometer
CAGE
73693

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 CB247 NSN 6680-00-312-1336

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062120
UFC:
34760
LTL:
RATING VARIABLE
LCL:
--
WCC:
652
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Phone: +1 470-231-0824
Email: Contact Form »
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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