PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS26574-1Circuit Breaker

Sae International Dba Sae International · NSN 5925-00-929-7716 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-929-7716 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-929-7716. Primary manufacturer part number: MS26574-1.
Features
  • Circuit Breaker — FSC 5925
  • 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.).
  • Maximum Continuous Load Current Rating Per Pole: 1.0 AMPERES AC AND 1.0 AMPERES DC SINGLE LOCATION
  • Manual Actuator Type and Quantity: 1 PUSH-PULL
  • Terminal Type and Quantity: 2 TAB W/SCREW
  • Nominal Thread Size: 0.438 INCHES IN
  • Actuator Function: TRIP-RESET
  • Unpackaged Unit Weight: 0.066 POUNDS NOMINAL LBS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-929-7716, 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 23 commercial cross-references from 15 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
NSN5925-00-929-7716
Primary Part NumberMS26574-1
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
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.).
Maximum Continuous Load Current Rating Per Pole1.0 AMPERES AC AND 1.0 AMPERES DC SINGLE LOCATION
Manual Actuator Type and Quantity1 PUSH-PULL
Terminal Type and Quantity2 TAB W/SCREW
Nominal Thread Size0.438 INCHES IN
Actuator FunctionTRIP-RESET
Unpackaged Unit Weight0.066 POUNDS NOMINAL LBS
Operating Voltage Type and Rating Per Pole in Volts115.0 AC AND 28.0 DC SINGLE LOCATION
Actuator Position DesignationAT POLE ONE
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Trip Release MethodTHERMAL 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
Reset MethodMANUAL
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
Main Contact Tripping Mechanism TypeTRIP FREE
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Inclosure Protection Type for Which DesignedVIBRATION RESISTANT AND SHOCK RESISTANT
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps100.0 AC AND 100.0 DC SINGLE LOCATION
Frequency in Hertz400.0 SINGLE LOCATION
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent150.0 SINGLE LOCATION
Thread Series DesignatorUNS
Storage TypeGENERAL PURPOSE WAREHOUSE
Pole Quantity1
Mounting Surface to Terminal End Distance1.420 INCHES MAXIMUM IN
Fragility FactorMODERATELY RUGGED
Mounting Facility Type and Quantity1 THREADED BUSHING WITH PANEL SEAL
Body Length0.780 INCHES MAXIMUM IN
Bushing Length0.359 INCHES NOMINAL IN
Thread Quantity Per Inch32
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
5925-00-252-42261802786-3 INTERCHANGEABLE
Circuit Breaker
Northrop Grumman Systems Corporation
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
5925-00-815-66217274-2-1 INTERCHANGEABLE
Circuit Breaker
Raytheon Company Dba Raytheon
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
5925-00-929-7717MS26574-5 INTERCHANGEABLE
Circuit Breaker
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
D7274-1-1 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
AS26574 Sae International Dba Sae International (USA)
93-30006-00 Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
972.55.18.512 Pilatus Aircraft Ltd (CHE)
MS26574-1 Lockheed Martin Aeronautical Systems Support Company Dba Lmassc (USA)
MS26574-1 Lockheed Martin Services, Llc (USA)
605-101-302 Elettronica Gmbh (DEU)
AS58091 Society of Automotive Engineers Inc (USA)
SAE-AS58091 Sae International Dba Sae International (USA)
MS26574ASG1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS26574-1 PRIMARY Sae International Dba Sae International (USA)
7277-2-1 Texas Instruments Inc Metallurgical Materials Div (USA)
MIL-C-5809 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
7274-2-1 Texas Instruments Inc Metallurgical Materials Div (USA)
MS26574-1 Society of Automotive Engineers Inc (USA)
MS26574-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
7274-26-1 Raytheon Company Dba Raytheon (USA)
GC885FD1 Northrop Grumman Systems Corporation (USA)
7274-26-1 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
5749067-116REV F Naval Sea Systems Command (USA)
Related Parts
5925-00-103-1576INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-5A
5925-00-121-9847INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-1/2A
5925-00-252-4226INTERCHANGEABLE
CIRCUIT BREAKER
1802786-3
5925-00-493-5918INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-3/4A
5925-00-758-1839INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-2A
5925-00-815-6621INTERCHANGEABLE
CIRCUIT BREAKER
7274-2-1
5925-00-833-6028INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-4
5925-00-882-3626INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-1A
5925-00-929-7274INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-2
5925-00-929-7717INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-5
5925-00-969-7783INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-3
5925-00-988-6837INTERCHANGEABLE
CIRCUIT BREAKER
MS26574-7-1/2

Frequently Asked Questions

What is NSN 5925-00-929-7716?

NSN 5925-00-929-7716 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 5925-00-929-7716?

NSN 5925-00-929-7716 has 23 cross-referenced part numbers: D7274-1-1 (Sensata Technologies, Inc. Div Sensata Attleboro), AS26574 (Sae International Dba Sae International), 93-30006-00 (Curtiss-Wright Controls, Inc. Div Actuation Division), 972.55.18.512 (Pilatus Aircraft Ltd), MS26574-1 (Lockheed Martin Aeronautical Systems Support Company Dba Lmassc) and 18 more.

What NSN replaces 5925-00-929-7716?

There are 12 known substitutes for 5925-00-929-7716: 5925-00-103-1576, 5925-00-121-9847, 5925-00-252-4226 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS26574-1?

Key specifications for MS26574-1: 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.).; Maximum Continuous Load Current Rating Per Pole: 1.0 AMPERES AC AND 1.0 AMPERES DC SINGLE LOCATION; Manual Actuator Type and Quantity: 1 PUSH-PULL; Terminal Type and Quantity: 2 TAB W/SCREW. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5925-00-929-7716 still in active supply?

NSN 5925-00-929-7716 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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