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Engine Accessory Generator NSN 2920-00-718-1749

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 2920-00-718-1749 NSN: 2920-00-718-1749

Features and Characteristics

Thread Direction
Right-hand
Thread Length
0.500 inches
Furnished Items
Radio interference shielding and woodruff key
Second Step Diameter
Between 0.668 inches and 0.669 inches
Keyway Width
0.125 inches
Unthreaded Portion Length
1.300 inches
Mounting Hole Thread Direction
Right-hand
Mounting Style
Bracket mtd w/three mtg holes, top hole threaded
Environmental Protection
Corrosion resistant and fungus resistant
Keyway Length
0.625 inches
Submersibility
Nonsubmersible
Shaft Rotation Direction
Clockwise
Distance From End To Keyway Center
1.125 inches
Thread Diameter
0.669 inches
Ground Polarity Type
Negative or positive
Armature Minimum Speed In Rpm At Full Current Output
1900
Maximum Output Current Rating In Amps
18.0
Minimum Current Cut-in Speed In Rpm
1800
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
3.500 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 7.243 inches and 7.257 inches
Distance Between Outside Surfaces Of Hinge Bracket
8.140 inches
Bottom Mounting Hole Diameter
0.453 inches
Maximum Rated Armature Speed In Rpm
8000
Thread Series
Uns
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
24.0
FSC
2920 Nonaircraft Engine Electrical System Components
NIIN
007181749
NSN
2920007181749

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1105996
Cage Code:
16764
Status:
A
MSDS:
Part Number:
1105986
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 2920-00-718-1749
What are the manufacturers of nsn 2920007181749?
Does this nsn 2920007181749 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2920007181749
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 2920007181749 contain any precious metals?
Precious metal content is unknown.
Does nsn 2920007181749 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2920007181749?
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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