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Engine Accessory Generator NSN 2920-00-302-6499

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 2920-00-302-6499 NSN: 2920-00-302-6499

  Stock Availability

NSN 2920003026499 availability
(as of 05/26/2023).

  • NS: 3
  • NE: 3
  • AR: 1
  • OH: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Thread Direction
Right-hand
Thread Length
0.680 inches
Spline Minor Diameter
Between 0.7225 inches and 0.7335 inches
Spline Major Diameter
Between 0.8586 inches and 0.8636 inches
Spline Width
Between 0.097 inches and 0.0982 inches
Furnished Items
Radio interference shielding
Spline Quantity
13
Mounting Hole Thread Direction
Right-hand
Mounting Style
Bracket mtd w/three mtg holes, top hole threaded
Environmental Protection
Corrosion resistant and fungus resistant
Submersibility
Nonsubmersible
Maximum Operating Altitude Rating
Not rated
Shaft Rotation Direction
Clockwise
Thread Diameter
0.625 inches
Spline Length
Between 1.980 inches and 2.020 inches
Ground Polarity Type
Negative
Armature Minimum Speed In Rpm At Full Current Output
1875
Maximum Output Current Rating In Amps
40.0
Minimum Current Cut-in Speed In Rpm
1490
Grounding Method
Internal
Shaft Drive End Style
Splined shaft end, threaded
Distance Between Shaft Center And Bottom Mounting Hole Center
Between 4.430 inches and 4.450 inches
Distance Between Shaft Center And Top Mounting Hole Center
Between 4.430 inches and 4.450 inches
Angular Deviation Of First Hole From Top Center In Deg
180.0
Angular Deviation Of Second Hole From First Hole In Deg
160.0
Distance Between Inside Surfaces Of Hinge Bracket
Between 7.521 inches and 7.538 inches
Distance Between Outside Surfaces Of Hinge Bracket
Between 8.381 inches and 8.598 inches
Bottom Mounting Hole Diameter
Between 0.525 inches and 0.537 inches
Maximum Rated Armature Speed In Rpm
4000
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)
18
Voltage In Volts
28.0
Nondefinitive Specification/std Data
B class and 2 grade and b group
Fsc Application Data
Engine electrical system, nonaircraft
FSC
2920 Nonaircraft Engine Electrical System Components
NIIN
003026499
NSN
2920003026499

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
GKG4802ST
Cage Code:
24975
Status:
A
MSDS:
Part Number:
MILG12604
Cage Code:
81349
Status:
A
MSDS:
Part Number:
MS13804-1
Cage Code:
96906
Status:
A
MSDS:
Part Number:
1117478
Cage Code:
16764
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 2920-00-302-6499
What are the manufacturers of nsn 2920003026499?
Does this nsn 2920003026499 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2920003026499
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 2920003026499 contain any precious metals?
Precious metal content is unknown.
Does nsn 2920003026499 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2920003026499?
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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