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Tachometer Generator NSN 6680-00-212-6420

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 6680-00-212-6420 NSN: 6680-00-212-6420

Features and Characteristics

Overall Height
2.820 inches
Overall Length
5.370 inches
Overall Width
2.820 inches
Electrical Resistance
100.0 ohms
Current Type
Ac output
Shaft Rotation Direction
Clockwise single end
Width Across Flats
0.2500 inches single end
Mounting Method
Pad
Mounting Facility Type And Quantity
4 unthreaded hole
Accuracy Range In Percent
-1.0/+1.0
Calibration Speed In Rpm
1000.0
Calibration Voltage Output Type In Volts
10.0 ac
Features Provided
Horizontal mounting position and vertical mounting position
Length Of Shaft From Housing
0.470 inches single end
Center To Center Distance Between Mounting Facilities Parallel To Width
2.437 inches
Center To Center Distance Between Mounting Facilities Parallel To Height
2.437 inches
Current Rating In Amps
0.050 single output
Shaft End Characteristic
A15 single style single end
Special Features
Mtg flange is a bronze pad 1/4 in. Thk w/a 0.09 in. Centeringfeature for mtg
Terminal Type And Quantity
1 receptacle
FSC
6680 Mechanical Motion Measuring Instruments Liquid Level Liquid And Gas Flow
NIIN
002126420
NSN
6680002126420

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
460033
Cage Code:
65092
Status:
A
MSDS:
Part Number:
758KB6
Cage Code:
65092
Status:
A
MSDS:
Part Number:
758TYPEKB6
Cage Code:
65092
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 6680-00-212-6420
What are the manufacturers of nsn 6680002126420?
Does this nsn 6680002126420 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6680002126420
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 6680002126420 contain any precious metals?
No precious metal content.
Does nsn 6680002126420 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6680002126420?
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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