PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91052Regulator,engine Generator

Prestolite Electric Inc · NSN 2920-00-238-5569 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-238-5569 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-238-5569. Primary manufacturer part number: 91052.
Features
  • Regulator,engine Generator — FSC 2920
  • Terminal Quantity: 3
  • Mounting Style: THREE HOLE TRIANGULAR
  • Field Relay Unit: INCLUDED
  • Terminal Encasement: NOT ENCASED
  • Reverse Current Overload Circuit Breaker: NOT INCLUDED
  • Center to Center Distance Between Holes Along Width and Hole Along Length: 5.062 INCHES NOMINAL IN
  • Voltage Regulator Unit Quantity: 1
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Regulator,engine Generator, cataloged under National Stock Number 2920-00-238-5569, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Active.

Technical Specifications
ParameterValue
NSN2920-00-238-5569
Primary Part Number91052
Item NameRegulator,engine Generator
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
Terminal Quantity3
Mounting StyleTHREE HOLE TRIANGULAR
Field Relay UnitINCLUDED
Terminal EncasementNOT ENCASED
Reverse Current Overload Circuit BreakerNOT INCLUDED
Center to Center Distance Between Holes Along Width and Hole Along Length5.062 INCHES NOMINAL IN
Voltage Regulator Unit Quantity1
Output Current Rating in Amps6.0 NOMINAL
Distance Between Holes Along Width1.500 INCHES NOMINAL IN
Current Regulator Unit Quantity1
Output Voltage Rating in Volts14.0 NOMINAL
Terminal TypeSCREW
Radio Interference ShieldingNOT PROVIDED
Circuit Control Device TypeACTUATING RELAY
Current Regulator Unit TypeCARBON PILE
Mounting Hole Diameter0.268 INCHES NOMINAL IN
System Voltage Rating14.0
Shock MountPROVIDED
System Ground PolarityPOSITIVE
Voltage Regulator Unit TypeCARBON PILE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-252-4725 INTERCHANGEABLE
Ring,retaining
4820-01-645-746891052 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Fairchild Industrial Products Company
Cross-Reference Index
Part NumberManufacturer
R0013784R Prestolite Electric Inc (USA)
R0013784RA Prestolite Electric Inc (USA)
696677A Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
696677A White Motor Corp (USA)
91052 Prestolite Electric Inc (USA)
91052 PRIMARY Prestolite Electric Inc (USA)
Related Parts
5325-00-252-4725INTERCHANGEABLE
RING,RETAINING
4820-01-645-7468INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
91052

Frequently Asked Questions

What is NSN 2920-00-238-5569?

NSN 2920-00-238-5569 is a Regulator,engine Generator, manufactured by Prestolite Electric Inc, classified under FSC 2920 (No Item Name Available). Status: active.

What are the part numbers for NSN 2920-00-238-5569?

NSN 2920-00-238-5569 has 6 cross-referenced part numbers: R0013784R (Prestolite Electric Inc), R0013784RA (Prestolite Electric Inc), 696677A (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)), 696677A (White Motor Corp), 91052 (Prestolite Electric Inc) and 1 more.

What NSN replaces 2920-00-238-5569?

There are 2 known substitutes for 2920-00-238-5569: 5325-00-252-4725, 4820-01-645-7468. Verify interchangeability with system specifications before substitution.

What are the specifications of 91052?

Key specifications for 91052: Terminal Quantity: 3; Mounting Style: THREE HOLE TRIANGULAR; Field Relay Unit: INCLUDED; Terminal Encasement: NOT ENCASED. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com