PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AM12MG6-25A50VDCTDC4Circuit Breaker

Eaton Corp Heinemann Products Commercial Controls Div · NSN 5925-00-566-4169 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-566-4169 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-566-4169. Primary manufacturer part number: AM12MG6-25A50VDCTDC4.
Features
  • Circuit Breaker — FSC 5925
  • Boss Height: 0.109 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
  • Special Handling Feature: MAGNETIC
  • Fragility Factor: MODERATELY RUGGED
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 2.046 INCHES MINIMUM AND 2.078 INCHES MAXIMUM IN
  • Center to Center Distance Between Terminals Parallel to Length: 1.660 INCHES MINIMUM AND 1.960 INCHES MAXIMUM IN
  • Pole Quantity: 1
  • Mounting Facility Type and Quantity: 2 THREADED HOLE(S)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-566-4169, 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 Eaton Corp Heinemann Products Commercial Controls Div. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 5 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
NSN5925-00-566-4169
Primary Part NumberAM12MG6-25A50VDCTDC4
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerEaton Corp Heinemann Products Commercial Controls Div
StatusCANCELLED
Boss Height0.109 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
Special Handling FeatureMAGNETIC
Fragility FactorMODERATELY RUGGED
Distance Between Centerlines of Mounting Facilities Parallel to Body Length2.046 INCHES MINIMUM AND 2.078 INCHES MAXIMUM IN
Center to Center Distance Between Terminals Parallel to Length1.660 INCHES MINIMUM AND 1.960 INCHES MAXIMUM IN
Pole Quantity1
Mounting Facility Type and Quantity2 THREADED HOLE(S)
Storage TypeGENERAL PURPOSE WAREHOUSE
Thread Quantity Per Inch32
Arc Quenching MethodMAGNETIC BLOWOUT
Mounting Surface to Terminal End Distance2.553 INCHES MAXIMUM IN
Body Length2.510 INCHES MAXIMUM IN
Maximum Continuous Load Current Rating Per Pole25.0 AMPERES DC SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Body Width0.730 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 SINGLE LOCATION
Nominal Thread Size0.138 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps2000.0 DC SINGLE LOCATION
Terminal Type and Quantity2 THREADED STUD
Test Data Document81349-MIL-C-55629 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.).
Operating Voltage Type and Rating Per Pole in Volts50.0 DC SINGLE LOCATION
Body StyleSINGLE POLE TYPE
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Actuator FunctionTRIP-RESET
Manual Actuator Type and Quantity1 TOGGLE
Trip Release MethodMAGNETIC SINGLE LOCATION
Trip Delay Time in Seconds Per Rated Continuous Current0.600 MINIMUM AT 200 PCT AND 8.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Actuator Position DesignationAT POLE ONE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5925-00-163-6982 INTERCHANGEABLE
Circuit Breaker
5925-00-487-6532 INTERCHANGEABLE
Circuit Breaker
5925-00-583-8922 INTERCHANGEABLE
Circuit Breaker
5925-01-005-9799 INTERCHANGEABLE
Circuit Breaker
5925-01-019-9426IELK1-1-62-6.00-01-V INTERCHANGEABLE
Circuit Breaker
Sensata Technologies, Inc. Div Sensata Attleboro
5925-01-075-3802 INTERCHANGEABLE
Circuit Breaker
5925-01-097-6892 INTERCHANGEABLE
Circuit Breaker
5925-01-265-7723 INTERCHANGEABLE
Circuit Breaker
5925-01-265-7733 INTERCHANGEABLE
Circuit Breaker
5925-01-274-1284 INTERCHANGEABLE
Circuit Breaker
Cross-Reference Index
Part NumberManufacturer
AM12MG6-25A50VDCTDC4 Eaton Corp Heinemann Products Commercial Controls Div (USA)
AM12MG6-25A50VDC4 Eaton Corp Heinemann Products Commercial Controls Div (USA)
MIL-C-55629/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CM50021-11 Bogue Systems Inc Dba Bogue Systems Inc (USA)
10630082-133 Us Army Aviation and Missile Command (USA)
AM12-25-50VDC4 Eaton Corp Heinemann Products Commercial Controls Div (USA)
MIL-PRF-55629/1D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M55629/1-106L Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5925PL0981904 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MIL-PRF-55629/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AM12MG6-25A50UDCCUR Eaton Corp Heinemann Products Commercial Controls Div (USA)
AM12-25-32VDC4 Eaton Corp Heinemann Products Commercial Controls Div (USA)
AM12MG3-25-28VDC4 Eaton Corp Heinemann Products Commercial Controls Div (USA)
M55629/1-106 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5925-00-163-6982INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-487-6532INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-583-8922INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-005-9799INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-019-9426INTERCHANGEABLE
CIRCUIT BREAKER
IELK1-1-62-6.00-01-V
5925-01-075-3802INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-097-6892INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-265-7723INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-265-7733INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-274-1284INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-332-5631INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-354-9726INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 5925-00-566-4169?

NSN 5925-00-566-4169 is a Circuit Breaker, manufactured by Eaton Corp Heinemann Products Commercial Controls Div, classified under FSC 5925 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5925-00-566-4169?

NSN 5925-00-566-4169 has 14 cross-referenced part numbers: AM12MG6-25A50VDCTDC4 (Eaton Corp Heinemann Products Commercial Controls Div), AM12MG6-25A50VDC4 (Eaton Corp Heinemann Products Commercial Controls Div), MIL-C-55629/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CM50021-11 (Bogue Systems Inc Dba Bogue Systems Inc), 10630082-133 (Us Army Aviation and Missile Command) and 9 more.

What NSN replaces 5925-00-566-4169?

There are 12 known substitutes for 5925-00-566-4169: 5925-00-163-6982, 5925-00-487-6532, 5925-00-583-8922 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AM12MG6-25A50VDCTDC4?

Key specifications for AM12MG6-25A50VDCTDC4: Boss Height: 0.109 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN; Special Handling Feature: MAGNETIC; Fragility Factor: MODERATELY RUGGED; Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 2.046 INCHES MINIMUM AND 2.078 INCHES MAXIMUM IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5925-00-566-4169 still in active supply?

NSN 5925-00-566-4169 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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