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Engine Accessory Generator NSN 2920-00-788-9946

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 2920-00-788-9946 NSN: 2920-00-788-9946

Features and Characteristics

Thread Pitch Diameters
+0.6324/+0.6365 inches
Thread Direction
Right-hand
Thread Length
Between 0.430 inches and 0.580 inches
Furnished Items
Woodruff key
Second Step Diameter
Between 0.6684 inches and 0.669 inches
Keyway Width
0.125 inches
Unthreaded Portion Length
Between 0.750 inches and 0.840 inches
Mounting Hole Thread Direction
Right-hand
Mounting Style
Bracket mtd w/three mtg holes, top hole threaded
Keyway Length
0.625 inches
Submersibility
Nonsubmersible
Shaft Rotation Direction
Clockwise
Distance From End To Keyway Center
0.900 inches
Thread Diameter
0.669 inches
Ground Polarity Type
Negative or positive
Armature Minimum Speed In Rpm At Full Current Output
2630
Maximum Output Current Rating In Amps
35.0
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
Distance Between Shaft Center And Top Mounting Hole Center
Between 3.030 inches and 3.090 inches
Angular Deviation Of First Hole From Top Center In Deg
193.0
Angular Deviation Of Second Hole From First Hole In Deg
164.0
Distance Between Inside Surfaces Of Hinge Bracket
Between 7.115 inches and 7.139 inches
Distance Between Outside Surfaces Of Hinge Bracket
Between 7.875 inches and 8.019 inches
Bottom Mounting Hole Diameter
Between 0.310 inches and 0.370 inches
Thread Series
Uns
Thread Class
2a
Mounting Hole Thread Series Designator
Unc
Mounting Hole Thread Diameter
0.312 inches
Mounting Hole Thready Qty Per Inch (tpi)
18
Mounting Hole Thread Class
2b
Thready Qty Per Inch (tpi)
20
Voltage In Volts
12.0
FSC
2920 Nonaircraft Engine Electrical System Components
NIIN
007889946
NSN
2920007889946

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1102210
Cage Code:
1LW55
Status:
A
MSDS:
Part Number:
1102044
Cage Code:
89346
Status:
A
MSDS:
Part Number:
1102059
Cage Code:
89346
Status:
A
MSDS:
Part Number:
1102120
Cage Code:
89346
Status:
A
MSDS:
Part Number:
226995R91
Cage Code:
89346
Status:
A
MSDS:
Part Number:
227120R91
Cage Code:
89346
Status:
A
MSDS:
Part Number:
1102191
Cage Code:
89346
Status:
A
MSDS:
Part Number:
305107R91
Cage Code:
92679
Status:
A
MSDS:
Part Number:
702230C91
Cage Code:
92679
Status:
A
MSDS:
Part Number:
1102034
Cage Code:
24617
Status:
A
MSDS:
Part Number:
216842R92
Cage Code:
89346
Status:
A
MSDS:
Part Number:
216533R3
Cage Code:
89346
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 2920-00-788-9946
What are the manufacturers of nsn 2920007889946?
Does this nsn 2920007889946 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2920007889946
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 2920007889946 contain any precious metals?
Precious metal content is unknown.
Does nsn 2920007889946 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2920007889946?
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
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