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Tachometer Generator NSN 6680-00-856-5868

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 6680-00-856-5868 NSN: 6680-00-856-5868

Features and Characteristics

Overall Height
4.344 inches
Overall Length
5.687 inches
Overall Width
4.469 inches
Mounting Method
Pad
Mounting Facility Type And Quantity
4 threaded hole
Calibration Speed In Rpm
100.0
Calibration Voltage Output Type In Volts
1.0 ac
Features Provided
Horizontal mounting position and vertical mounting position
Length Of Shaft From Housing
1.531 inches single end
Rotor Speed Rating In Rpm
20.0 low full load and 12000.0 high full load
Center To Center Distance Between Mounting Facilities Parallel To Width
2.000 inches
Center To Center Distance Between Mounting Facilities Parallel To Height
2.000 inches
Shaft End Characteristic
A5 single style single end
Terminal Type And Quantity
1 receptacle
FSC
6680 Mechanical Motion Measuring Instruments Liquid Level Liquid And Gas Flow
NIIN
008565868
NSN
6680008565868

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C320-240
Cage Code:
39739
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 6680-00-856-5868
What are the manufacturers of nsn 6680008565868?
Does this nsn 6680008565868 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6680008565868
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 6680008565868 contain any precious metals?
Precious metal content is unknown.
Does nsn 6680008565868 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6680008565868?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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