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Engine Accessory Generator NSN 2920-00-853-7491

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 2920-00-853-7491 NSN: 2920-00-853-7491

Features and Characteristics

Thread Direction
Right-hand
Thread Length
0.760 inches
Furnished Items
Lockwasher or nut or woodruff key
Second Step Diameter
0.874 inches
Keyway Width
0.156 inches
Unthreaded Portion Length
1.320 inches
Mounting Hole Thread Direction
Right-hand
Mounting Style
Bracket mtd w/three mtg holes, top hole threaded
Keyway Length
0.750 inches
Submersibility
Nonsubmersible
Shaft Rotation Direction
Clockwise
Distance From End To Keyway Center
1.375 inches
Thread Diameter
0.625 inches
Maximum Output Current Rating In Amps
50.0
Minimum Current Cut-in Speed In Rpm
1925
Rectifier Location
Separate
Grounding Method
External
Shaft Drive End Style
Straight shaft end, threaded, w/keyway
Distance Between Shaft Center And Bottom Mounting Hole Center
3.875 inches
Distance Between Shaft Center And Top Mounting Hole Center
3.880 inches
Angular Deviation Of First Hole From Top Center In Deg
193.0
Angular Deviation Of Second Hole From First Hole In Deg
159.0
Distance Between Inside Surfaces Of Hinge Bracket
Between 9.020 inches and 9.042 inches
Distance Between Outside Surfaces Of Hinge Bracket
Between 9.580 inches and 9.602 inches
Bottom Mounting Hole Diameter
Between 0.502 inches and 0.504 inches
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
12.0
FSC
2920 Nonaircraft Engine Electrical System Components
NIIN
008537491
NSN
2920008537491

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
514833
Cage Code:
89619
Status:
A
MSDS:
Part Number:
1106782
Cage Code:
16764
Status:
A
MSDS:
Part Number:
1106978
Cage Code:
24617
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 2920-00-853-7491
What are the manufacturers of nsn 2920008537491?
Does this nsn 2920008537491 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2920008537491
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 2920008537491 contain any precious metals?
Precious metal content is unknown.
Does nsn 2920008537491 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2920008537491?
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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