PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS26574-1ACircuit Breaker

Sae International Dba Sae International · NSN 5925-00-882-3626 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-882-3626 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-882-3626. Primary manufacturer part number: MS26574-1A.
Features
  • Circuit Breaker — FSC 5925
  • Bushing Length: 0.359 INCHES NOMINAL IN
  • Trip Release Ambient Temp Rating: 25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
  • Nominal Thread Size: 0.438 INCHES IN
  • Inclosure Protection Type for Which Designed: EXPLOSION RESISTANT AND MOISTURE RESISTANT
  • Test Data Document: 81349-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.).
  • Frequency in Hertz: 400.0 SINGLE LOCATION
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 145.0 SINGLE LOCATION
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-882-3626, 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 15 commercial cross-references from 9 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
NSN5925-00-882-3626
Primary Part NumberMS26574-1A
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Bushing Length0.359 INCHES NOMINAL IN
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
Nominal Thread Size0.438 INCHES IN
Inclosure Protection Type for Which DesignedEXPLOSION RESISTANT AND MOISTURE RESISTANT
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.).
Frequency in Hertz400.0 SINGLE LOCATION
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent145.0 SINGLE LOCATION
Switch Voltage Rating and Type in Volts115.0 AC AND 28.0 DC
Actuator FunctionTRIP-RESET
Main Contact Tripping Mechanism TypeTRIP FREE
Thread Series DesignatorUN
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps100.0 AC AND 100.0 DC SINGLE LOCATION
Switch Terminal TypeTAB, SOLDER LUG
Manual Actuator Type and Quantity1 PUSH-PULL
Terminal Type and Quantity2 TAB W/SCREW
Actuator Position DesignationAT POLE ONE
Reset MethodMANUAL
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Trip Delay Time in Seconds Per Rated Continuous Current2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Maximum Continuous Load Current Rating Per Pole1.0 AMPERES AC AND 1.0 AMPERES DC SINGLE LOCATION
Switch Current Rating and Type in Amps1.0 AC AND 1.0 DC
Auxiliary Switch Function and Quantity1 CONTROL
Switch Location and Position DesignationEXTERNAL AT POLE ONE
Operating Voltage Type and Rating Per Pole in Volts115.0 AC AND 28.0 DC SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Trip Release MethodTHERMAL SINGLE LOCATION
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Specification/standard Data96906-MS26574 GOVERNMENT STANDARD
Switch Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY CLOSED
Mounting Surface to Terminal End Distance1.420 INCHES MAXIMUM IN
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
5925-00-929-7274MS26574-2 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
5925-00-988-6837MS26574-7-1/2 INTERCHANGEABLE
Circuit Breaker
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
7274-4-1 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
MS26574-1A Society of Automotive Engineers Inc (USA)
AS26574 Sae International Dba Sae International (USA)
MS26574-1A PRIMARY Sae International Dba Sae International (USA)
7274-4-1A Sensata Technologies, Inc. Div Sensata Attleboro (USA)
7274-4-1MS26574-1 Texas Instruments Inc Metallurgical Materials Div (USA)
AS26574 Society of Automotive Engineers Inc (USA)
SAE-AS58091 Sae International Dba Sae International (USA)
6415796 Embraer Empresa Brasileira De Aeronautica Sa (BRA)
MIL-C-5809 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6415796 Embraer S.a. (BRA)
MS26574-1A Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS58091 Sae International Dba Sae International (USA)
AS58091 Society of Automotive Engineers Inc (USA)
Q531487053 Rheinmetall Air Defence Ag (CHE)
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
5925-00-929-7274INTERCHANGEABLE
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
5925-01-240-9179INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-15

Frequently Asked Questions

What is NSN 5925-00-882-3626?

NSN 5925-00-882-3626 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 5925-00-882-3626?

NSN 5925-00-882-3626 has 15 cross-referenced part numbers: 7274-4-1 (Sensata Technologies, Inc. Div Sensata Attleboro), MS26574-1A (Society of Automotive Engineers Inc), AS26574 (Sae International Dba Sae International), MS26574-1A (Sae International Dba Sae International), 7274-4-1A (Sensata Technologies, Inc. Div Sensata Attleboro) and 10 more.

What NSN replaces 5925-00-882-3626?

There are 12 known substitutes for 5925-00-882-3626: 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 MS26574-1A?

Key specifications for MS26574-1A: Bushing Length: 0.359 INCHES NOMINAL IN; Trip Release Ambient Temp Rating: 25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC; Nominal Thread Size: 0.438 INCHES IN; Inclosure Protection Type for Which Designed: EXPLOSION RESISTANT AND MOISTURE RESISTANT. 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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