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Engine Accessory Generator NSN 2920-00-457-8654

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 2920-00-457-8654 NSN: 2920-00-457-8654

Features and Characteristics

Thread Direction
Right-hand
Thread Length
0.500 inches
Pilot Diameter
3.125 inches
Furnished Items
Lead assembly and bushing package and cooling fan and nut and screw
Second Step Diameter
1.062 inches
Keyway Width
0.156 inches
Unthreaded Portion Length
1.062 inches
Mounting Style
Flange mtd w/three mtg holes
Center To Center Distance Between Mounting Holes Along Width
4.812 inches
Pilot Height
0.125 inches
Keyway Length
0.562 inches
Submersibility
Nonsubmersible
Shaft Rotation Direction
Clockwise or counterclockwise
Distance From End To Keyway Center
1.125 inches
Thread Diameter
0.500 inches
Ground Polarity Type
Negative or positive
Rectifier Location
Integral
Grounding Method
Internal
Shaft Drive End Style
Straight shaft end, threaded, w/keyway
Distance Between Shaft Center And Bottom Mounting Hole Center
4.375 inches
Top Mounting Hole Diameter
0.375 inches
Bottom Mounting Hole Diameter
0.375 inches
Center To Center Distance Between Top Mounting Slot And Bottom Mounting Hole
8.000 inches
Thread Series
Unf
Thread Class
2a
Thready Qty Per Inch (tpi)
20
Voltage In Volts
28.0
FSC
2920 Nonaircraft Engine Electrical System Components
NIIN
004578654
NSN
2920004578654

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2303J
Cage Code:
24975
Status:
A
MSDS:
Part Number:
A0012086AA
Cage Code:
24975
Status:
A
MSDS:
Part Number:
2086A
Cage Code:
35510
Status:
A
MSDS:
Part Number:
2086AA
Cage Code:
35510
Status:
A
MSDS:
Part Number:
0624D0304
Cage Code:
55207
Status:
A
MSDS:
Part Number:
210090H1
Cage Code:
92679
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 2920-00-457-8654
What are the manufacturers of nsn 2920004578654?
Does this nsn 2920004578654 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2920004578654
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 2920004578654 contain any precious metals?
Precious metal content is unknown.
Does nsn 2920004578654 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2920004578654?
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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