Model: 1S1420

Engine Accessory Generator

Properties:

Thread Direction
Right-hand
Thread Length
0.650 inches
Pilot Diameter
Between 3.247 inches and 3.249 inches
Furnished Items
Cooling fan and fan shroud and oil deflector and woodruff key
Second Step Diameter
0.7491 mils and 0.7496 centimeters
Keyway Width
0.156 inches
Unthreaded Portion Length
1.320 inches
Mounting Style
Flange mtd w/three mtg holes
Center To Center Distance Between Mounting Holes Along Width
Between 3.605 inches and 3.645 inches
Pilot Height
0.150 mils and 0.170 centimeters
Keyway Length
0.750 inches
Submersibility
Nonsubmersible
Shaft Rotation Direction
Counterclockwise
Distance From End To Keyway Center
1.312 inches
Thread Diameter
0.500 inches
Ground Polarity Type
Negative or positive
Armature Minimum Speed In Rpm At Full Current Output
1760
Maximum Output Current Rating In Amps
24.0
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
Top Mounting Hole Diameter
Between 0.470 inches and 0.530 inches
Bottom Mounting Hole Diameter
Between 0.467 inches and 0.477 inches
Center To Center Distance Between Top Mounting Slot And Bottom Mounting Hole
Between 5.865 inches and 5.885 inches
Thread Series
Unf
Thread Class
2a
Thready Qty Per Inch (tpi)
20
Voltage In Volts
12.0
Fsc Application Data
Engine electrical system, nonaircraft
NSN
2920-00-404-6984
Part Number
1S1420
Description
Generator,engine Accessory
CAGE
11083

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.

Part 1S1420 NSN 2920-00-404-6984

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
17311
FIIG:
A14700
Concept No.:
1
App. Key:
A
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062120
UFC:
34760
LTL:
RATING VARIABLE
LCL:
70.0
WCC:
590
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Hours: 08:00-18:00 Eastern Standard Time
Phone: +1 470-231-0824
Email: Contact Form »
Schedule B and Export
  • Schedule B: 8511500000
  • SITC: 77831
  • End Use: Engines and engine parts (carburetors, pistons, rings, and valves)
  • NAICS: 336320
  • USDA: 1

Freight Class: Generators for internal combustion engines, nesoi

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