PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS26574-2-1/2ACircuit Breaker

Sae International Dba Sae International · NSN 5925-01-067-2924 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-067-2924 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-067-2924. Primary manufacturer part number: MS26574-2-1/2A.
Features
  • Circuit Breaker — FSC 5925
  • Main Contact Tripping Mechanism Type: TRIP FREE
  • Trip Release Ambient Temp Rating: 25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
  • Circuit Protection Type: OVERCURRENT SINGLE LOCATION
  • Thread Series Designator: UN
  • Reset Method: MANUAL
  • Maximum Continuous Load Current Rating Per Pole: 2.5 AMPERES AC AND 2.5 AMPERES DC SINGLE LOCATION
  • Manual Actuator Type and Quantity: 1 PUSH-PULL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-067-2924, 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 5 commercial cross-references from 4 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
NSN5925-01-067-2924
Primary Part NumberMS26574-2-1/2A
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Main Contact Tripping Mechanism TypeTRIP FREE
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Thread Series DesignatorUN
Reset MethodMANUAL
Maximum Continuous Load Current Rating Per Pole2.5 AMPERES AC AND 2.5 AMPERES DC SINGLE LOCATION
Manual Actuator Type and Quantity1 PUSH-PULL
Switch Voltage Rating and Type in Volts115.0 AC AND 28.0 DC
Inclosure Protection Type for Which DesignedCORROSION RESISTANT AND MOISTURE RESISTANT
Actuator FunctionTRIP-RESET
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Frequency in Hertz400.0 SINGLE LOCATION
Specification/standard Data96906-MS26574 GOVERNMENT SPECIFICATION
Switch Current Rating and Type in Amps2.5 AC AND 2.5 DC
Actuator Position DesignationAT POLE ONE
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps100.0 AC AND 100.0 DC SINGLE LOCATION
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent145.0 SINGLE LOCATION
Switch Terminal TypeTAB, SOLDER LUG
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Switch Location and Position DesignationEXTERNAL AT POLE ONE
Terminal Type and Quantity2 SCREW
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.).
Nominal Thread Size0.438 INCHES IN
Trip Delay Time in Seconds Per Rated Continuous Current2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Auxiliary Switch Function and Quantity1 CONTROL
Operating Voltage Type and Rating Per Pole in Volts115.0 AC AND 28.0 DC SINGLE LOCATION
Trip Release MethodTHERMAL SINGLE LOCATION
Body Length0.749 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
Storage TypeGENERAL PURPOSE WAREHOUSE
Mounting Surface to Terminal End Distance1.494 INCHES MINIMUM AND 1.525 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5925-00-998-1633MS26574-2-1/2 INTERCHANGEABLE
Circuit Breaker
Sae International Dba Sae International
5925-01-148-54047274-4-2 1/2 INTERCHANGEABLE
Circuit Breaker
Sensata Technologies, Inc. Div Sensata Attleboro
Cross-Reference Index
Part NumberManufacturer
MIL-C-5809 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS26574-2-1-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
SAE-AS58091 Sae International Dba Sae International (USA)
7274-4-2 1/2 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
MS26574-2-1/2A PRIMARY Sae International Dba Sae International (USA)
Related Parts
5925-00-998-1633INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-2-1/2
5925-01-148-5404INTERCHANGEABLE
CIRCUIT BREAKER
7274-4-2 1/2

Frequently Asked Questions

What is NSN 5925-01-067-2924?

NSN 5925-01-067-2924 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 5925-01-067-2924?

NSN 5925-01-067-2924 has 5 cross-referenced part numbers: MIL-C-5809 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS26574-2-1-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), SAE-AS58091 (Sae International Dba Sae International), 7274-4-2 1/2 (Sensata Technologies, Inc. Div Sensata Attleboro), MS26574-2-1/2A (Sae International Dba Sae International).

What NSN replaces 5925-01-067-2924?

There are 2 known substitutes for 5925-01-067-2924: 5925-00-998-1633, 5925-01-148-5404. Verify interchangeability with system specifications before substitution.

What are the specifications of MS26574-2-1/2A?

Key specifications for MS26574-2-1/2A: Main Contact Tripping Mechanism Type: TRIP FREE; Trip Release Ambient Temp Rating: 25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC; Circuit Protection Type: OVERCURRENT SINGLE LOCATION; Thread Series Designator: UN. 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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