PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

837G1Generator,engine Accessory

Diamond Reo Truck Co · NSN 2920-00-752-4474 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-752-4474 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-752-4474. Primary manufacturer part number: 837G1.
Features
  • Generator,engine Accessory — FSC 2920
  • Submersibility: SUBMERSIBLE
  • Thread Length: 0.812 INCHES NOMINAL IN
  • Mounting Hole Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Distance From End to Keyway Center: 1.500 INCHES NOMINAL IN
  • Armature Minimum Speed in RPM at Full Current Output: 1750
  • Thread Quantity Per Inch: 20
  • Distance Between Shaft Center and Bottom Mounting Hole Center: 3.875 INCHES NOMINAL IN
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Generator,engine Accessory, cataloged under National Stock Number 2920-00-752-4474, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Diamond Reo Truck Co. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2920-00-752-4474
Primary Part Number837G1
Item NameGenerator,engine Accessory
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerDiamond Reo Truck Co
StatusCANCELLED
SubmersibilitySUBMERSIBLE
Thread Length0.812 INCHES NOMINAL IN
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Distance From End to Keyway Center1.500 INCHES NOMINAL IN
Armature Minimum Speed in RPM at Full Current Output1750
Thread Quantity Per Inch20
Distance Between Shaft Center and Bottom Mounting Hole Center3.875 INCHES NOMINAL IN
Thread Diameter0.500 INCHES NOMINAL IN
Shaft Rotation DirectionCLOCKWISE
Distance Between Inside Surfaces of Hinge Bracket7.243 INCHES MINIMUM AND 7.257 INCHES MAXIMUM IN
Minimum Current Cut-in Speed in RPM1700
Mounting Hole Thread Diameter0.375 INCHES NOMINAL IN
Thread SeriesUNF
Distance Between Shaft Center and Top Mounting Hole Center3.875 INCHES NOMINAL IN
Angular Deviation of First Hole From Top Center in Deg21.0
Angular Deviation of Second Hole From First Hole in Deg201.0
Mounting Hole Thread Class2B
Distance Between Outside Surfaces of Hinge Bracket8.118 INCHES MINIMUM AND 8.132 INCHES MAXIMUM IN
Bottom Mounting Hole Diameter0.453 INCHES NOMINAL IN
Mounting Hole Thread Quantity Per Inch16
Grounding MethodINTERNAL
Maximum Rated Armature Speed in RPM8000
Maximum Output Current Rating in Amps25.0
Thread Class2A A
Voltage in Volts24.0
Shaft Drive End StyleSTRAIGHT SHAFT END, THREADED, W/KEYWAY
Keyway Length0.625 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Unthreaded Portion Length1.219 INCHES NOMINAL IN
Environmental ProtectionCORROSION RESISTANT AND FUNGUS RESISTANT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5950-00-044-5576 INTERCHANGEABLE
Transformer,power
2920-00-737-4750118958 INTERCHANGEABLE
Generator,engine Accessory
Am General Llc
4720-01-664-1327118895 INTERCHANGEABLE
Hose Assembly Set,metallic and N
Smiths Tubular Systems-Laconia, Inc.
Cross-Reference Index
Part NumberManufacturer
837G1 Diamond Reo Truck Co (USA)
914671 Sasco Inc Canadian Div
118895 Am General Llc (USA)
1117486 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
1117486 General Motors Corp (USA)
1117486 General Motors Llc Dba General Motors Llc (USA)
7524474 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
7374864 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
1117486 Borgwarner Pds (anderson), L.l.c. (USA)
1117486 General Motors Corp Delco Remy Div (USA)
Related Parts
5950-00-044-5576INTERCHANGEABLE
TRANSFORMER,POWER
2920-00-737-4750INTERCHANGEABLE
GENERATOR,ENGINE ACCESSORY
118958
4720-01-664-1327INTERCHANGEABLE
HOSE ASSEMBLY SET,METALLIC AND N
118895

Frequently Asked Questions

What is NSN 2920-00-752-4474?

NSN 2920-00-752-4474 is a Generator,engine Accessory, manufactured by Diamond Reo Truck Co, classified under FSC 2920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2920-00-752-4474?

NSN 2920-00-752-4474 has 10 cross-referenced part numbers: 837G1 (Diamond Reo Truck Co), 914671 (Sasco Inc Canadian Div), 118895 (Am General Llc), 1117486 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 1117486 (General Motors Corp) and 5 more.

What NSN replaces 2920-00-752-4474?

There are 3 known substitutes for 2920-00-752-4474: 5950-00-044-5576, 2920-00-737-4750, 4720-01-664-1327. Verify interchangeability with system specifications before substitution.

What are the specifications of 837G1?

Key specifications for 837G1: Submersibility: SUBMERSIBLE; Thread Length: 0.812 INCHES NOMINAL IN; Mounting Hole Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Distance From End to Keyway Center: 1.500 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2920-00-752-4474 still in active supply?

NSN 2920-00-752-4474 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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