PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1118933Regulator,engine Generator

General Motors Corp AC-Delco Div Government Order Dept · NSN 2920-00-255-4945 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-255-4945 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-255-4945. Primary manufacturer part number: 1118933.
Features
  • Regulator,engine Generator — FSC 2920
  • Distance Between Holes Along Width: 0.288 INCHES NOMINAL IN
  • Terminal Quantity: 3
  • System Voltage Rating: 12.0
  • Current Regulator Unit Type: WIRE WOUND COIL
  • Current Regulator Unit Quantity: 1
  • Cut-in Voltage Rating: 11.8 MINIMUM AND 13.5 MAXIMUM
  • Terminal Encasement: NOT ENCASED
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Regulator,engine Generator, cataloged under National Stock Number 2920-00-255-4945, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is General Motors Corp AC-Delco Div Government Order Dept. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2920-00-255-4945
Primary Part Number1118933
Item NameRegulator,engine Generator
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerGeneral Motors Corp AC-Delco Div Government Order Dept
StatusCANCELLED
Distance Between Holes Along Width0.288 INCHES NOMINAL IN
Terminal Quantity3
System Voltage Rating12.0
Current Regulator Unit TypeWIRE WOUND COIL
Current Regulator Unit Quantity1
Cut-in Voltage Rating11.8 MINIMUM AND 13.5 MAXIMUM
Terminal EncasementNOT ENCASED
Voltage Regulator Unit TypeWIRE WOUND COIL
Reverse Current Overload Circuit BreakerNOT INCLUDED
System Ground PolarityPOSITIVE
Output Current Rating in Amps23.0 MINIMUM AND 27.0 MAXIMUM
Circuit Control Device TypeCUTOUT RELAY
Voltage Regulator Unit Quantity1
Field Relay UnitNOT INCLUDED
Radio Interference ShieldingNOT PROVIDED
Output Voltage Rating in Volts13.8 MINIMUM AND 14.8 MAXIMUM
Mounting Hole Diameter0.330 INCHES NOMINAL IN
Shock MountPROVIDED
Mounting StyleFOUR HOLE RECTANGULAR
Terminal TypeSCREW
Distance Between Holes Along Length0.506 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5330-00-219-05151118933 INTERCHANGEABLE
Gasket
The Boeing Company
2920-00-456-14471118896 INTERCHANGEABLE
Regulator,engine Generator
Borgwarner Pds (anderson), L.l.c.
Cross-Reference Index
Part NumberManufacturer
1118933 General Motors Corp AC-Delco Div Government Order Dept (USA)
1118933 General Motors Corp Delco Remy Div (USA)
1118933 General Motors Corp (USA)
Related Parts
5330-00-219-0515INTERCHANGEABLE
GASKET
1118933
2920-00-456-1447INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
1118896

Frequently Asked Questions

What is NSN 2920-00-255-4945?

NSN 2920-00-255-4945 is a Regulator,engine Generator, manufactured by General Motors Corp AC-Delco Div Government Order Dept, classified under FSC 2920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2920-00-255-4945?

NSN 2920-00-255-4945 has 3 cross-referenced part numbers: 1118933 (General Motors Corp AC-Delco Div Government Order Dept), 1118933 (General Motors Corp Delco Remy Div), 1118933 (General Motors Corp).

What NSN replaces 2920-00-255-4945?

There are 2 known substitutes for 2920-00-255-4945: 5330-00-219-0515, 2920-00-456-1447. Verify interchangeability with system specifications before substitution.

What are the specifications of 1118933?

Key specifications for 1118933: Distance Between Holes Along Width: 0.288 INCHES NOMINAL IN; Terminal Quantity: 3; System Voltage Rating: 12.0; Current Regulator Unit Type: WIRE WOUND COIL. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2920-00-255-4945 still in active supply?

NSN 2920-00-255-4945 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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