PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66426Circuit Breaker

Generac Mobile Products, Llc · NSN 5925-01-649-9872 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-649-9872 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-649-9872. Primary manufacturer part number: 66426.
Features
  • Circuit Breaker — FSC 5925
  • Body Style: MULTIPOLE-SINGLE ACTUATOR TYPE
  • Pole Quantity: 3
  • Switch Location and Position Designation: EXTERNAL AT POLE TWO
  • Manual Actuator Type and Quantity: 1 TOGGLE
  • Reset Method: MANUAL
  • 2 verified cross-references
  • Primary manufacturer: Generac Mobile Products, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-649-9872, is classified within Federal Supply Class 5925 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Generac Mobile Products, Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5925-01-649-9872
Primary Part Number66426
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerGenerac Mobile Products, Llc
StatusACTIVE
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Pole Quantity3
Switch Location and Position DesignationEXTERNAL AT POLE TWO
Manual Actuator Type and Quantity1 TOGGLE
Reset MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3020-00-505-910866426 INTERCHANGEABLE
Gear,spur
Textron Lycoming Inc Williamsport Plant
4820-01-231-9659 INTERCHANGEABLE
Valve,angle
Cross-Reference Index
Part NumberManufacturer
66426 PRIMARY Generac Mobile Products, Llc (USA)
ED3150VWF01S18 Wesco Distribution, Inc. Div Milwaukee Wi (USA)
Related Parts
3020-00-505-9108INTERCHANGEABLE
GEAR,SPUR
66426
4820-01-231-9659INTERCHANGEABLE
VALVE,ANGLE

Frequently Asked Questions

What is NSN 5925-01-649-9872?

NSN 5925-01-649-9872 is a Circuit Breaker, manufactured by Generac Mobile Products, Llc, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-649-9872?

NSN 5925-01-649-9872 has 2 cross-referenced part numbers: 66426 (Generac Mobile Products, Llc), ED3150VWF01S18 (Wesco Distribution, Inc. Div Milwaukee Wi).

What NSN replaces 5925-01-649-9872?

There are 2 known substitutes for 5925-01-649-9872: 3020-00-505-9108, 4820-01-231-9659. Verify interchangeability with system specifications before substitution.

What are the specifications of 66426?

Key specifications for 66426: Body Style: MULTIPOLE-SINGLE ACTUATOR TYPE; Part Name Assigned by Controlling Agency: BREAKER, 150A, 240V, 50C, 3POLE, 24V SHUNT-ITEG2 V; Pole Quantity: 3; Switch Location and Position Designation: EXTERNAL AT POLE TWO. 7 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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