PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS26574-5Circuit Breaker

Sae International Dba Sae International · NSN 5925-00-929-7717 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-929-7717 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-929-7717. Primary manufacturer part number: MS26574-5.
Features
  • Circuit Breaker — FSC 5925
  • Bushing Length: 0.359 INCHES NOMINAL IN
  • Operating Voltage Type and Rating Per Pole in Volts: 200.0 AC AND 28.0 DC SINGLE LOCATION
  • 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.).
  • Nominal Thread Size: 0.438 INCHES IN
  • Terminal Type and Quantity: 2 TAB W/SCREW
  • Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps: 800.0 AC AND 800.0 DC 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 5925-00-929-7717, 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 24 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5925-00-929-7717
Primary Part NumberMS26574-5
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Bushing Length0.359 INCHES NOMINAL IN
Operating Voltage Type and Rating Per Pole in Volts200.0 AC AND 28.0 DC SINGLE LOCATION
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.).
Nominal Thread Size0.438 INCHES IN
Terminal Type and Quantity2 TAB W/SCREW
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps800.0 AC AND 800.0 DC SINGLE LOCATION
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
Main Contact Tripping Mechanism TypeTRIP FREE
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Frequency in Hertz400.0 SINGLE LOCATION
Thread Series DesignatorUN
Specification/standard Data96906-MS26574 GOVERNMENT STANDARD
Reset MethodMANUAL
Actuator FunctionTRIP-RESET
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
Maximum Continuous Load Current Rating Per Pole5.0 AMPERES AC AND 5.0 AMPERES DC SINGLE LOCATION
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent145.0 SINGLE LOCATION
Manual Actuator Type and Quantity1 PUSH-PULL
Trip Release MethodTHERMAL SINGLE LOCATION
Actuator Position DesignationAT POLE ONE
Pole Quantity1
Storage TypeGENERAL PURPOSE WAREHOUSE
Thread Quantity Per Inch32
Center to Center Distance Between Terminals Parallel to Length0.593 INCHES NOMINAL IN
Fragility FactorMODERATELY RUGGED
Mounting Surface to Terminal End Distance1.420 INCHES MAXIMUM IN
Mounting Facility Type and Quantity1 THREADED BUSHING WITH PANEL SEAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
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
5925-00-969-7783MS26574-3 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
301889-1 Avibras Divisao Aerea E Naval S/a (BRA)
MIL-C-5809 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
GC885FD5 Northrop Grumman Systems Corporation (USA)
7277-2-5 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
AS58091 Society of Automotive Engineers Inc (USA)
AS58091 Sae International Dba Sae International (USA)
11040390-3 Us Army Aviation and Missile Command (USA)
972.55.18.517 Pilatus Aircraft Ltd (CHE)
7S235986 Koninklijke Fabriek Inventum B.v. (NLD)
4200-001-5 Safran Power Usa, Llc (USA)
SAE-AS58091 Sae International Dba Sae International (USA)
D7274-2-5 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
4200-001-5 Safran Electrical & Power Usa, Llc Dba Labinal Power Sysyems Use CAGE Code 81640 for Cataloging (USA)
235986 Koninklijke Fabriek Inventum B.v. (NLD)
3600140-3 L3harris Interstate Electronics Corporation (USA)
MS26574-5 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
7274-26-5 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
7274-25-5 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
7274-2-5 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
7277-2-5 Apex Aircraft (FRA)
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
5925-00-969-7783INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-3
5925-00-988-6837INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-7-1/2
5925-00-998-1633INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-2-1/2
4920-00-998-7869INTERCHANGEABLE
ADAPTER ASSY,TEST
235986

Frequently Asked Questions

What is NSN 5925-00-929-7717?

NSN 5925-00-929-7717 is a Circuit Breaker, manufactured by Sae International Dba Sae International, classified under FSC 5925 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5925-00-929-7717?

NSN 5925-00-929-7717 has 24 cross-referenced part numbers: 301889-1 (Avibras Divisao Aerea E Naval S/a), MIL-C-5809 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), GC885FD5 (Northrop Grumman Systems Corporation), 7277-2-5 (Sensata Technologies, Inc. Div Sensata Attleboro), AS58091 (Society of Automotive Engineers Inc) and 19 more.

What NSN replaces 5925-00-929-7717?

There are 12 known substitutes for 5925-00-929-7717: 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 MS26574-5?

Key specifications for MS26574-5: Bushing Length: 0.359 INCHES NOMINAL IN; Operating Voltage Type and Rating Per Pole in Volts: 200.0 AC AND 28.0 DC SINGLE LOCATION; 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.).. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5925-00-929-7717 still in active supply?

NSN 5925-00-929-7717 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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