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Engine Accessory Generator NSN 2920-00-840-8656

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 2920-00-840-8656 NSN: 2920-00-840-8656

Features and Characteristics

Thread Direction
Right-hand
Thread Length
0.312 inches
Pilot Diameter
Between 3.248 inches and 3.250 inches
Furnished Items
Cutout relay and woodruff key
Second Step Diameter
Between 0.7495 inches and 0.750 inches
Keyway Width
0.156 inches
Unthreaded Portion Length
1.062 inches
Mounting Hole Thread Direction
Right-hand
Mounting Style
Flange mtd w/two threaded mtg holes
Pilot Height
0.188 inches
Keyway Length
0.750 inches
Submersibility
Nonsubmersible
Maximum Operating Altitude Rating
Not rated
Shaft Rotation Direction
Clockwise
Distance From End To Keyway Center
0.750 inches
Thread Diameter
0.500 inches
Ground Polarity Type
Negative
Armature Minimum Speed In Rpm At Full Current Output
2800
Maximum Output Current Rating In Amps
7.0
Grounding Method
External
Shaft Drive End Style
Straight shaft end, threaded, w/keyway
Distance Between Shaft Center And Bottom Mounting Hole Center
Between 2.091 inches and 2.097 inches
Distance Between Shaft Center And Top Mounting Hole Center
Between 2.091 inches and 2.097 inches
Angular Deviation Of First Hole From Top Center In Deg
5.0
Angular Deviation Of Second Hole From First Hole In Deg
180.0
Maximum Rated Armature Speed In Rpm
Not rated
Thread Series
Unf
Thread Class
2a
Mounting Hole Thread Series Designator
Unc
Mounting Hole Thread Diameter
0.375 inches
Mounting Hole Thready Qty Per Inch (tpi)
16
Mounting Hole Thread Class
2b
Thready Qty Per Inch (tpi)
20
Voltage In Volts
12.0
Fsc Application Data
Engine electrical system, nonaircraft
FSC
2920 Nonaircraft Engine Electrical System Components
NIIN
008408656
NSN
2920008408656

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
GDY4115N
Cage Code:
24975
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 2920-00-840-8656
What are the manufacturers of nsn 2920008408656?
Does this nsn 2920008408656 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2920008408656
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 2920008408656 contain any precious metals?
Precious metal content is unknown.
Does nsn 2920008408656 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2920008408656?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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