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Tachometer Generator NSN 6680-00-551-3825

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 6680-00-551-3825 NSN: 6680-00-551-3825

Features and Characteristics

Overall Height
3.469 inches
Overall Length
4.312 inches
Overall Width
2.750 inches
Width Across Flats
0.2440 inches single end
Mounting Facility Type And Quantity
4 unthreaded hole
Calibration Voltage Output Type In Volts
21.0 ac
Features Provided
Horizontal mounting position and vertical mounting position
Length Of Shaft From Housing
0.462 inches single end
Rotor Speed Rating In Rpm
1000.0 low full load and 4200.0 high full load
Shaft End Characteristic
A15 single style single end
Terminal Type And Quantity
1 connector, plug
FSC
6680 Mechanical Motion Measuring Instruments Liquid Level Liquid And Gas Flow
NIIN
005513825
NSN
6680005513825

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS28054-2
Cage Code:
96906
Status:
A
MSDS:
Part Number:
MILG9398
Cage Code:
81349
Status:
A
MSDS:
Part Number:
MILG9398-2TYPEMB6
Cage Code:
81349
Status:
A
MSDS:
Part Number:
32164-000
Cage Code:
3CPE0
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 6680-00-551-3825
What are the manufacturers of nsn 6680005513825?
Does this nsn 6680005513825 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6680005513825
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 6680005513825 contain any precious metals?
Precious metal content is unknown.
Does nsn 6680005513825 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6680005513825?
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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