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Tachometer Generator NSN 6680-00-884-0923

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 6680-00-884-0923 NSN: 6680-00-884-0923

Features and Characteristics

Overall Height
1.299 inches
Overall Length
1.135 inches
Overall Width
1.125 inches
Electrical Resistance
325.0 ohms
Shaft Diameter
0.1880 inches single end
Current Type
Dc output
Shaft Rotation Direction
Clockwise single end or counterclockwise single end
Mounting Method
Swivel nut coupling
Mounting Facility Type And Quantity
1 threaded coupling
Accuracy Range In Percent
-0.0025/+0.0025
Calibration Speed In Rpm
1000.0
Calibration Voltage Output Type In Volts
7.0 dc
Features Provided
Horizontal mounting position and vertical mounting position
Length Of Shaft From Housing
0.705 inches single end
Rotor Speed Rating In Rpm
100.0 low full load and 12000.0 high full load
Current Rating In Amps
0.001 single output
Shaft End Characteristic
A11 single style single end
Terminal Type And Quantity
2 screw
FSC
6680 Mechanical Motion Measuring Instruments Liquid Level Liquid And Gas Flow
NIIN
008840923
NSN
6680008840923

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SN763A2
Cage Code:
83555
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 6680-00-884-0923
What are the manufacturers of nsn 6680008840923?
Does this nsn 6680008840923 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6680008840923
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 6680008840923 contain any precious metals?
No precious metal content.
Does nsn 6680008840923 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6680008840923?
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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