Model: MILG12604

Engine Accessory Generator

Properties:

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
NSN
2920-00-302-6499
Part Number
MILG12604
Description
Generator,engine Accessory
CAGE
81349

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 MILG12604 NSN 2920-00-302-6499

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:
SU
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
30.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062120
UFC:
34760
LTL:
65.0
LCL:
--
WCC:
590
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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