Model: 985G02

Tachometer Generator

Properties:

Overall Height
2.360 inches
Overall Length
4.219 inches
Overall Width
2.500 inches
Electrical Resistance
36.0 ohms
Shaft Diameter
0.3450 inches single end
Flatted Portion Length
0.7500 inches single end
Width Across Flats
0.2444 inches single end
Mounting Method
Pad
Mounting Facility Type And Quantity
4 unthreaded hole
Accuracy Range In Percent
-3.6/+3.6
Calibration Speed In Rpm
1800.0
Calibration Voltage Output Type In Volts
30.0 ac
Center To Center Distance Between Mounting Facilities Parallel To Width
1.875 inches
Shaft End Characteristic
A15 single style single end
Terminal Type And Quantity
1 receptacle
NSN
6680-00-487-4371
Part Number
985G02
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 985G02 NSN 6680-00-487-4371

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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Phone: +1 470-231-0824
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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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