PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R120Regulator,voltage

Leroy-Somer Inc · NSN 5963-01-710-7394 · FSC 5963 · Electronic Module,standardized
Verified by PartsTable
NSN 5963-01-710-7394 — this item is cataloged by the U.S. Government under National Stock Number 5963-01-710-7394. Primary manufacturer part number: R120.
Features
  • Regulator,voltage — FSC 5963
  • 1 verified cross-reference
  • Primary manufacturer: Leroy-Somer Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Regulator,voltage, cataloged under National Stock Number 5963-01-710-7394, is classified within Federal Supply Class 5963 (Electronic Module,standardized) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Leroy-Somer Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5963-01-710-7394
Primary Part NumberR120
Item NameRegulator,voltage
FSC / FSG5963 / 59 — Electronic Module,standardized
ManufacturerLeroy-Somer Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-155-733872-6970-725 INTERCHANGEABLE
Bearing,roller,cylindrical
Fairbanks Morse, Llc
2910-00-353-6554 INTERCHANGEABLE
Parts Kit,engine Fuel Pump
2530-00-495-8640F4600 INTERCHANGEABLE
Cup,hydraulic Brake Cylinder
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5305-00-498-8255 INTERCHANGEABLE
Screw,machine
4240-01-138-3088R-120 INTERCHANGEABLE
Bag,ladder
Firesearch Corporation Dba Fire Research Corporation
5110-01-437-2194R120 INTERCHANGEABLE
Reamer,hand
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
R120 PRIMARY Leroy-Somer Inc (USA)
Related Parts
3110-00-155-7338INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
72-6970-725
2910-00-353-6554INTERCHANGEABLE
PARTS KIT,ENGINE FUEL PUMP
2530-00-495-8640INTERCHANGEABLE
CUP,HYDRAULIC BRAKE CYLINDER
F4600
5305-00-498-8255INTERCHANGEABLE
SCREW,MACHINE
4240-01-138-3088INTERCHANGEABLE
BAG,LADDER
R-120
5110-01-437-2194INTERCHANGEABLE
REAMER,HAND
R120

Frequently Asked Questions

What is NSN 5963-01-710-7394?

NSN 5963-01-710-7394 is a Regulator,voltage, manufactured by Leroy-Somer Inc, classified under FSC 5963 (Electronic Module,standardized). Status: active.

What are the part numbers for NSN 5963-01-710-7394?

NSN 5963-01-710-7394 has 1 cross-referenced part number: R120 (Leroy-Somer Inc).

What NSN replaces 5963-01-710-7394?

There are 6 known substitutes for 5963-01-710-7394: 3110-00-155-7338, 2910-00-353-6554, 2530-00-495-8640 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R120?

Key specifications for R120: Special Features: EXCITATION MODE SHUNT; RATED EXCITATION CURRENT 4 AMP TO 6 AMP; FREQUENCY RANGE 20 TO 100 HERTZ; Part Name Assigned by Controlling Agency: AUTOMATIC VOLTAGE REGULATOR. 2 total characteristics are documented in the Federal Logistics Information System.

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