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Technical Data Sheet
PartsTable / MRO / 7274-4-1MS26574-1
7274-4-1MS26574-1 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include body_style: SINGLE POLE TYPE, body_width: 0.580 INCHES MAXIMUM IN, body_length: 0.780 INCHES MAXIMUM IN, reset_method: MANUAL, storage_type: GENERAL PURPOSE WAREHOUSE, bushing_length: 0.359 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5925-00-882-3626, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 7274-4-1MS26574-1
NSN: 5925-00-882-3626
FSC: 5925
CAGE: 73803 — TEXAS INSTRUMENTS INC METALLURGICAL MATERIALS DIV (USA)
SPECIFICATIONS
body_styleSINGLE POLE TYPE
body_width0.580 INCHES MAXIMUM IN
body_length0.780 INCHES MAXIMUM IN
reset_methodMANUAL
storage_typeGENERAL PURPOSE WAREHOUSE
pole_quantity1
bushing_length0.359 INCHES NOMINAL IN
actuator_functionTRIP-RESET
frequency_in_hertz400.0 SINGLE LOCATION
nominal_thread_size0.438 INCHES IN
trip_release_methodTHERMAL SINGLE LOCATION
switch_terminal_typeTAB, SOLDER LUG
NSN5925-00-882-3626
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT BREAKER TITLE COMPONENT PN 7274-4-1MS26574-1 MFR CIRCUIT BREAKER
KEY FEATURES
•
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
•
SWITCH VOLTAGE RATING AND TYPE IN VOLTS: 115.0 AC AND 28.0 DC
TECHNICAL CHARACTERISTICS (FLIS)
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
AS26574Interchangeable
interchangeable cross-reference
interchangeable
6415835Interchangeable
interchangeable cross-reference
interchangeable
10503365Interchangeable
interchangeable cross-reference
interchangeable
84402811Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS58091Interchangeable
interchangeable cross-reference
interchangeable
MS26574-3/4AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7274-4-1MS26574-1?
7274-4-1MS26574-1 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 7274-4-1MS26574-1?
There are 24 known substitutes for 7274-4-1MS26574-1: AS26574, 6415835, 10503365 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7274-4-1MS26574-1?
7274-4-1MS26574-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5925-00-882-3626. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026