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Tachometer Generator NSN 6680-00-526-8140

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 6680-00-526-8140 NSN: 6680-00-526-8140

Features and Characteristics

Overall Height
3.172 inches
Overall Length
5.594 inches
Overall Width
2.813 inches
Electrical Resistance
39.0 ohms and 49.0 ohms
Width Across Flats
0.2450 inches single end
Mounting Method
Pad
Mounting Facility Type And Quantity
4 unthreaded hole
Accuracy Range In Percent
-0.5/+0.5
Calibration Speed In Rpm
3600.0
Calibration Voltage Output Type In Volts
23.0 ac
Length Of Shaft From Housing
0.469 inches single end
Center To Center Distance Between Mounting Facilities Parallel To Length
1.875 inches
Rotor Speed Rating In Rpm
200.0 low full load and 4400.0 high full load
Center To Center Distance Between Mounting Facilities Parallel To Width
1.875 inches
Shaft End Characteristic
A15 single style single end
Special Features
2 rotor poles
Terminal Type And Quantity
1 receptacle
FSC
6680 Mechanical Motion Measuring Instruments Liquid Level Liquid And Gas Flow
NIIN
005268140
NSN
6680005268140

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
21135TYPEA1
Cage Code:
80049
Status:
A
MSDS:
Part Number:
2CM5AEN
Cage Code:
24446
Status:
A
MSDS:
Part Number:
2CM5AEN36
Cage Code:
24446
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 6680-00-526-8140
What are the manufacturers of nsn 6680005268140?
Does this nsn 6680005268140 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6680005268140
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 6680005268140 contain any precious metals?
Precious metal content is unknown.
Does nsn 6680005268140 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6680005268140?
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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