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Engine Accessory Generator NSN 2920-00-640-7889

Item Description

A generator primarily designed to be mounted on an internal combustion engine, and to be driven by the engine to keep the battery in a charged condition. May also supply current for the engine ignition system and/or electrical equipment which is connected to the battery circuit. Includes alternating current generators designed for use with a rectifier. Excludes the major generator of "generating sets". For generators specifically designed for aircraft use and not mounted on the engine, see generator, direct current.

NSN 2920-00-640-7889 NSN: 2920-00-640-7889

Features and Characteristics

Thread Direction
Right-hand
Thread Length
0.438 inches
Pilot Diameter
3.624 inches
Slot Width
0.438 inches
Slot Length
1.750 inches
First Step Diameter
0.499 inches
First Step Length
0.562 inches
Third Step Diameter
0.750 inches
Third Step Length
0.750 inches
Mounting Style
Flange mtd w/two mtg slots and one mtg hole
Pilot Height
0.188 inches
Center To Center Distance Between Mounting Slots
3.250 inches
Submersibility
Nonsubmersible
Shaft Rotation Direction
Clockwise
Thread Diameter
0.625 inches
Maximum Output Current Rating In Amps
12.0
Grounding Method
External
Shaft Drive End Style
Straight shaft end, threaded w/double keyway
Cotter Pin Hole
Included
Distance Between Shaft Center And Bottom Mounting Hole Center
2.812 inches
Bottom Mounting Hole Diameter
0.406 inches
Center To Center Distance Between Top Mounting Slot And Bottom Mounting Hole
5.375 inches
Distance From End To First Keyway Center
0.312 inches
First Keyway Width
0.125 inches
First Keyway Length
0.500 inches
Distance From End To Second Keyway Center
1.562 inches
Second Keyway Length
0.625 inches
Second Keyway Width
0.156 inches
Maximum Rated Armature Speed In Rpm
1500
Thread Series
Unf
Thread Class
2a
Thready Qty Per Inch (tpi)
18
Voltage In Volts
12.0
FSC
2920 Nonaircraft Engine Electrical System Components
NIIN
006407889
NSN
2920006407889

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
E59426M
Cage Code:
12204
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8511500000
  • NAICS: 336320
  • SITC: 77831
  • Description: Generators for internal combustion engines, nesoi
  • End Use (Code 30200):
    Engines and engine parts (carburetors, pistons, rings, and valves)

Q & A

Frequently asked questions for NSN 2920-00-640-7889
What are the manufacturers of nsn 2920006407889?
Does this nsn 2920006407889 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2920006407889
A generator primarily designed to be mounted on an internal combustion engine, and to be driven by the engine to keep the battery in a charged condition. may also supply current for the engine ignition system and/or electrical equipment which is connected to the battery circuit. includes alternating current generators designed for use with a rectifier. excludes the major generator of "generating sets". for generators specifically designed for aircraft use and not mounted on the engine, see generator, direct current.
Does nsn 2920006407889 contain any precious metals?
No precious metal content.
Does nsn 2920006407889 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2920006407889?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
17311
FIIG:
A14700
App. Key:
A
Cond. Code:
2
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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