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Tachometer Generator NSN 6680-00-490-9833

Item Description

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.

NSN 6680-00-490-9833 NSN: 6680-00-490-9833

Features and Characteristics

Overall Height
6.656 inches
Overall Length
14.813 inches
Overall Width
6.313 inches
Electrical Resistance
78.0 ohms
Mounting Facility Type And Quantity
4 slot
Excitor Type
Self-excited
Accuracy Range In Percent
-2.0/+2.0
Features Provided
Horizontal mounting position and vertical mounting position
Center To Center Distance Between Mounting Facilities Parallel To Length
4.875 inches
Rotor Speed Rating In Rpm
1760.0 single full load
Center To Center Distance Between Mounting Facilities Parallel To Width
3.000 inches
Connection Type And Voltage Rating In Volts
100.0 line to neutral single output
Terminal Type And Quantity
3 wire lead
FSC
6680 Mechanical Motion Measuring Instruments Liquid Level Liquid And Gas Flow
NIIN
004909833
NSN
6680004909833

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5BC46AB1420
Cage Code:
01288
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9029205000
  • NAICS: 334514
  • SITC: 87325
  • Description: Speedometers and tachometers, not for use in civil aircraft
  • End Use (Code 30230):
    Other parts and accessories of vehicles

Q & A

Frequently asked questions for NSN 6680-00-490-9833
What are the manufacturers of nsn 6680004909833?
Does this nsn 6680004909833 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6680004909833
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.
Does nsn 6680004909833 contain any precious metals?
No precious metal content.
Does nsn 6680004909833 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6680004909833?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
20241
FIIG:
A271A0
App. Key:
F
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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