PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS26574-7-1/2ACircuit Breaker

Sae International Dba Sae International · NSN 5925-00-935-5287 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-935-5287 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-935-5287. Primary manufacturer part number: MS26574-7-1/2A.
Features
  • Circuit Breaker — FSC 5925
  • Switch Terminal Type: TAB, SOLDER LUG
  • Actuator Function: TRIP-RESET
  • Switch Current Rating and Type in Amps: 3.0 AC AND 5.0 DC
  • Maximum Continuous Load Current Rating Per Pole: 7.5 AMPERES AC AND 7.5 AMPERES DC SINGLE LOCATION
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 150.0 SINGLE LOCATION
  • Body Length: 0.780 INCHES MAXIMUM IN
  • Specification/standard Data: 81349-MIL-C-5809 GOVERNMENT SPECIFICATION
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-935-5287, 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 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-00-935-5287
Primary Part NumberMS26574-7-1/2A
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Switch Terminal TypeTAB, SOLDER LUG
Actuator FunctionTRIP-RESET
Switch Current Rating and Type in Amps3.0 AC AND 5.0 DC
Maximum Continuous Load Current Rating Per Pole7.5 AMPERES AC AND 7.5 AMPERES DC SINGLE LOCATION
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent150.0 SINGLE LOCATION
Body Length0.780 INCHES MAXIMUM IN
Specification/standard Data81349-MIL-C-5809 GOVERNMENT SPECIFICATION
Actuator Position DesignationAT POLE ONE
Reset MethodMANUAL
Test Data Document96906-MS26574 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Operating Voltage Type and Rating Per Pole in Volts120.0 AC AND 28.0 DC SINGLE LOCATION
Inclosure Protection Type for Which DesignedCORROSION RESISTANT AND DUSTPROOF AND EXPLOSION RESISTANT AND FUNGUS RESISTANT AND MOISTURE RESISTANT AND SAND RESISTANT AND VIBRATION RESISTANT
Auxiliary Switch Function and Quantity1 ALARM
MaterialPLASTIC CASE
Main Contact Tripping Mechanism TypeTRIP FREE
Thread Series DesignatorUN
Nominal Thread Size0.438 INCHES IN
Unpackaged Unit Weight0.066 POUNDS NOMINAL LBS
Trip Release MethodTHERMAL SINGLE LOCATION
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Terminal Type and Quantity2 TAB W/SCREW
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Frequency in Hertz400.0 SINGLE LOCATION
Switch Location and Position DesignationINTERNAL AT POLE ONE
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps5000.0 AC AND 2500.0 DC SINGLE LOCATION
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
Manual Actuator Type and Quantity1 PUSH-PULL
Trip Delay Time in Seconds Per Rated Continuous Current2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Switch Voltage Rating and Type in Volts120.0 AC AND 30.0 DC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5925-00-988-6837MS26574-7-1/2 INTERCHANGEABLE
Circuit Breaker
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
SAE-AS58091 Sae International Dba Sae International (USA)
Q531487059 Rheinmetall Air Defence Ag (CHE)
6415841 Embraer Aviation International (FRA)
MIL-C-5809 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS26574-7-1/2A Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
7274-4-7 1/2 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
MS26574-7-1-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
6415841 Embraer Empresa Brasileira De Aeronautica Sa (BRA)
419073-9 Raytheon Company Dba Raytheon (USA)
MS26574-7-1/2A Aero Stock (FRA)
MS26574-7-1/2A PRIMARY Sae International Dba Sae International (USA)
6415841 Embraer S.a. (BRA)
AS58091 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5925-00-988-6837INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-7-1/2

Frequently Asked Questions

What is NSN 5925-00-935-5287?

NSN 5925-00-935-5287 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 5925-00-935-5287?

NSN 5925-00-935-5287 has 13 cross-referenced part numbers: SAE-AS58091 (Sae International Dba Sae International), Q531487059 (Rheinmetall Air Defence Ag), 6415841 (Embraer Aviation International), MIL-C-5809 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS26574-7-1/2A (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 8 more.

What NSN replaces 5925-00-935-5287?

There is 1 known substitute for 5925-00-935-5287: 5925-00-988-6837. Verify interchangeability with system specifications before substitution.

What are the specifications of MS26574-7-1/2A?

Key specifications for MS26574-7-1/2A: Switch Terminal Type: TAB, SOLDER LUG; Actuator Function: TRIP-RESET; Switch Current Rating and Type in Amps: 3.0 AC AND 5.0 DC; Maximum Continuous Load Current Rating Per Pole: 7.5 AMPERES AC AND 7.5 AMPERES 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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