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Engine Accessory Generator NSN 2920-00-404-6984

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 2920-00-404-6984 NSN: 2920-00-404-6984

Features and Characteristics

Thread Direction
Right-hand
Thread Length
0.650 inches
Pilot Diameter
Between 3.247 inches and 3.249 inches
Furnished Items
Cooling fan and fan shroud and oil deflector and woodruff key
Second Step Diameter
0.7491 mils and 0.7496 centimeters
Keyway Width
0.156 inches
Unthreaded Portion Length
1.320 inches
Mounting Style
Flange mtd w/three mtg holes
Center To Center Distance Between Mounting Holes Along Width
Between 3.605 inches and 3.645 inches
Pilot Height
0.150 mils and 0.170 centimeters
Keyway Length
0.750 inches
Submersibility
Nonsubmersible
Shaft Rotation Direction
Counterclockwise
Distance From End To Keyway Center
1.312 inches
Thread Diameter
0.500 inches
Ground Polarity Type
Negative or positive
Armature Minimum Speed In Rpm At Full Current Output
1760
Maximum Output Current Rating In Amps
24.0
Grounding Method
External
Shaft Drive End Style
Straight shaft end, threaded, w/keyway
Distance Between Shaft Center And Bottom Mounting Hole Center
Between 3.052 inches and 3.072 inches
Top Mounting Hole Diameter
Between 0.470 inches and 0.530 inches
Bottom Mounting Hole Diameter
Between 0.467 inches and 0.477 inches
Center To Center Distance Between Top Mounting Slot And Bottom Mounting Hole
Between 5.865 inches and 5.885 inches
Thread Series
Unf
Thread Class
2a
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
004046984
NSN
2920004046984

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1105156
Cage Code:
16764
Status:
A
MSDS:
Part Number:
1S1420
Cage Code:
11083
Status:
A
MSDS:
Part Number:
IPD1S1420
Cage Code:
55883
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 2920-00-404-6984
What are the manufacturers of nsn 2920004046984?
Does this nsn 2920004046984 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2920004046984
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 2920004046984 contain any precious metals?
Precious metal content is unknown.
Does nsn 2920004046984 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2920004046984?
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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