PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGW7405SGenerator,engine Accessory

Prestolite Electric Inc · NSN 2920-00-943-4668 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-943-4668 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-943-4668. Primary manufacturer part number: GGW7405S.
Features
  • Generator,engine Accessory — FSC 2920
  • Shaft Rotation Direction: CLOCKWISE
  • Ground Polarity Type: POSITIVE
  • Shaft Drive End Style: STRAIGHT SHAFT END, THREADED, W/KEYWAY
  • Grounding Method: EXTERNAL
  • Keyway Width: 0.125 INCHES NOMINAL IN
  • Armature Minimum Speed in RPM at Full Current Output: 2460
  • Mounting Hole Thread Quantity Per Inch: 18
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Generator,engine Accessory, cataloged under National Stock Number 2920-00-943-4668, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2920-00-943-4668
Primary Part NumberGGW7405S
Item NameGenerator,engine Accessory
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusCANCELLED
Shaft Rotation DirectionCLOCKWISE
Ground Polarity TypePOSITIVE
Shaft Drive End StyleSTRAIGHT SHAFT END, THREADED, W/KEYWAY
Grounding MethodEXTERNAL
Keyway Width0.125 INCHES NOMINAL IN
Armature Minimum Speed in RPM at Full Current Output2460
Mounting Hole Thread Quantity Per Inch18
Bottom Mounting Hole Diameter0.323 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN
Distance Between Outside Surfaces of Hinge Bracket7.561 INCHES MINIMUM AND 7.574 INCHES MAXIMUM IN
Voltage in Volts6.0
Angular Deviation of Third Hole From Second Hole in Deg34.0
Thread SeriesSI-M
Angular Deviation of Second Hole From First Hole in Deg163.0
Unthreaded Portion Length1.120 INCHES NOMINAL IN
Mounting Hole Thread DirectionRIGHT-HAND
Mounting Hole Thread Diameter0.313 INCHES NOMINAL IN
Keyway Length0.625 INCHES NOMINAL IN
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Mounting StyleBRACKET MTD W/FOUR MTG HOLES, TWO TOP HOLES THREADED
Maximum Rated Armature Speed in RPM8000
Distance Between Inside Surfaces of Hinge Bracket6.694 INCHES NOMINAL IN
Thread Diameter0.669 INCHES NOMINAL IN
Minimum Current Cut-in Speed in RPM1130
Distance Between Shaft Center and Bottom Mounting Hole Center3.380 INCHES NOMINAL IN
SubmersibilityNONSUBMERSIBLE
Second Step Diameter0.668 INCHES MINIMUM AND 0.669 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Angular Deviation of First Hole From Top Center in Deg17.0
Distance Between Shaft Center and Top Mounting Hole Center3.190 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5305-00-074-4473942178 INTERCHANGEABLE
Setscrew
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
4810-00-507-774045761E INTERCHANGEABLE
Valve,globe
Griswold Industries Dba Cla-Val Co
5930-00-599-49512404LM INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
5925-00-876-9217 INTERCHANGEABLE
Circuit Breaker
5120-01-528-375400945761000 INTERCHANGEABLE
Pliers,slip Joint
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
Cross-Reference Index
Part NumberManufacturer
8GGW7402S1 Electro Devices Inc (USA)
45-761 Ford Motor Company (USA)
922247 Am General Llc (USA)
45-761 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
GGW7402S1 Prestolite Electric Inc (USA)
925045 Am General Llc (USA)
905552 Am General Llc (USA)
942178 Am General Llc (USA)
GGW7405S PRIMARY Prestolite Electric Inc (USA)
GGW7405S Prestolite Electric Inc (USA)
Related Parts
5305-00-074-4473INTERCHANGEABLE
SETSCREW
942178
4810-00-507-7740INTERCHANGEABLE
VALVE,GLOBE
45761E
5930-00-599-4951INTERCHANGEABLE
SWITCH,ROTARY
2404LM
5925-00-876-9217INTERCHANGEABLE
CIRCUIT BREAKER
5120-01-528-3754INTERCHANGEABLE
PLIERS,SLIP JOINT
00945761000

Frequently Asked Questions

What is NSN 2920-00-943-4668?

NSN 2920-00-943-4668 is a Generator,engine Accessory, manufactured by Prestolite Electric Inc, classified under FSC 2920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2920-00-943-4668?

NSN 2920-00-943-4668 has 10 cross-referenced part numbers: 8GGW7402S1 (Electro Devices Inc), 45-761 (Ford Motor Company), 922247 (Am General Llc), 45-761 (Ford Motor Co Ford Parts and Service Div Government Part Sales), GGW7402S1 (Prestolite Electric Inc) and 5 more.

What NSN replaces 2920-00-943-4668?

There are 5 known substitutes for 2920-00-943-4668: 5305-00-074-4473, 4810-00-507-7740, 5930-00-599-4951 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGW7405S?

Key specifications for GGW7405S: Shaft Rotation Direction: CLOCKWISE; Ground Polarity Type: POSITIVE; Shaft Drive End Style: STRAIGHT SHAFT END, THREADED, W/KEYWAY; Grounding Method: EXTERNAL. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2920-00-943-4668 still in active supply?

NSN 2920-00-943-4668 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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