PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS26574-15Circuit Breaker

Sae International Dba Sae International · NSN 5925-01-240-9179 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-240-9179 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-240-9179. Primary manufacturer part number: MS26574-15.
Features
  • Circuit Breaker — FSC 5925
  • Thread Series Designator: UN
  • Actuator Function: TRIP-RESET
  • Frequency in Hertz: 400.0 SINGLE LOCATION
  • Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps: 500.0 AC AND 500.0 DC SINGLE LOCATION
  • Actuator Position Designation: AT POLE ONE
  • Inclosure Protection Type for Which Designed: MOISTURE RESISTANT
  • Material: PLASTIC CASE
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-240-9179, 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 Sae International Dba Sae International. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-240-9179
Primary Part NumberMS26574-15
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Thread Series DesignatorUN
Actuator FunctionTRIP-RESET
Frequency in Hertz400.0 SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps500.0 AC AND 500.0 DC SINGLE LOCATION
Actuator Position DesignationAT POLE ONE
Inclosure Protection Type for Which DesignedMOISTURE RESISTANT
MaterialPLASTIC CASE
Operating Voltage Type and Rating Per Pole in Volts200.0 AC AND 28.0 DC SINGLE LOCATION
Nominal Thread Size0.438 INCHES IN
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
Specification/standard Data96906-MS26574 GOVERNMENT SPECIFICATION
Maximum Continuous Load Current Rating Per Pole15.0 AMPERES AC AND 15.0 AMPERES DC SINGLE LOCATION
Trip Release MethodTHERMAL SINGLE LOCATION
Pole Quantity1
Center to Center Distance Between Terminals Parallel to Length0.593 INCHES NOMINAL IN
Mounting Facility Type and Quantity1 THREADED BUSHING
Mounting Surface to Terminal End Distance1.525 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Storage TypeGENERAL PURPOSE WAREHOUSE
Body Width0.562 INCHES NOMINAL IN
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent150.0 SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Test Data Document81349-MIL-C-5809 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Manual Actuator Type and Quantity1 PUSH-PULL
Reset MethodMANUAL
Terminal Type and Quantity2 TAB W/SCREW
Body StyleSINGLE POLE TYPE
Trip Delay Time in Seconds Per Rated Continuous Current2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5925-00-103-1576MS26574-5A INTERCHANGEABLE
Circuit Breaker
Sae International Dba Sae International
5925-00-121-9847MS26574-1/2A INTERCHANGEABLE
Circuit Breaker
Sae International Dba Sae International
5925-00-493-5918MS26574-3/4A INTERCHANGEABLE
Circuit Breaker
Sae International Dba Sae International
5925-00-758-1839MS26574-2A INTERCHANGEABLE
Circuit Breaker
Sae International Dba Sae International
5925-00-833-6028MS26574-4 INTERCHANGEABLE
Circuit Breaker
Sae International Dba Sae International
5925-00-882-3626MS26574-1A INTERCHANGEABLE
Circuit Breaker
Sae International Dba Sae International
5925-00-929-7274MS26574-2 INTERCHANGEABLE
Circuit Breaker
Sae International Dba Sae International
5925-00-929-7716MS26574-1 INTERCHANGEABLE
Circuit Breaker
Sae International Dba Sae International
5925-00-929-7717MS26574-5 INTERCHANGEABLE
Circuit Breaker
Sae International Dba Sae International
5925-00-969-7783MS26574-3 INTERCHANGEABLE
Circuit Breaker
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AS58091 Sae International Dba Sae International (USA)
AS58091 Society of Automotive Engineers Inc (USA)
AS58091/1 Sae International Dba Sae International (USA)
AS58091/1 Society of Automotive Engineers Inc (USA)
MIL-C-5809 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS26574-15 Society of Automotive Engineers Inc (USA)
AS26574 Society of Automotive Engineers Inc (USA)
MS26674-15 Society of Automotive Engineers Inc (USA)
MS26574-15 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
SAE-AS58091 Sae International Dba Sae International (USA)
MS26574-15 PRIMARY Sae International Dba Sae International (USA)
Related Parts
5925-00-103-1576INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-5A
5925-00-121-9847INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-1/2A
5925-00-493-5918INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-3/4A
5925-00-758-1839INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-2A
5925-00-833-6028INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-4
5925-00-882-3626INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-1A
5925-00-929-7274INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-2
5925-00-929-7716INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-1
5925-00-929-7717INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-5
5925-00-969-7783INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-3
5925-00-988-6837INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-7-1/2
5925-00-998-1633INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-2-1/2

Frequently Asked Questions

What is NSN 5925-01-240-9179?

NSN 5925-01-240-9179 is a Circuit Breaker, manufactured by Sae International Dba Sae International, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-240-9179?

NSN 5925-01-240-9179 has 11 cross-referenced part numbers: AS58091 (Sae International Dba Sae International), AS58091 (Society of Automotive Engineers Inc), AS58091/1 (Sae International Dba Sae International), AS58091/1 (Society of Automotive Engineers Inc), MIL-C-5809 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 5925-01-240-9179?

There are 12 known substitutes for 5925-01-240-9179: 5925-00-103-1576, 5925-00-121-9847, 5925-00-493-5918 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS26574-15?

Key specifications for MS26574-15: Thread Series Designator: UN; Actuator Function: TRIP-RESET; Frequency in Hertz: 400.0 SINGLE LOCATION; Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps: 500.0 AC AND 500.0 DC SINGLE LOCATION. 30 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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