PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AM1-83-A-20-2Circuit Breaker

Eaton Corp Heinemann Products Commercial Controls Div · NSN 5925-00-142-0752 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-142-0752 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-142-0752. Primary manufacturer part number: AM1-83-A-20-2.
Features
  • Circuit Breaker — FSC 5925
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 115.0 SINGLE LOCATION
  • Main Contact Tripping Mechanism Type: TRIP FREE
  • Circuit Protection Type: OVERCURRENT SINGLE LOCATION
  • Maximum Continuous Load Current Rating Per Pole: 20.0 AMPERES DC SINGLE LOCATION
  • Reset Method: MANUAL
  • Actuator Function: TRIP-RESET
  • Trip Delay Time in Seconds Per Rated Continuous Current: 0.600 MINIMUM AT 200 PCT AND 8.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-142-0752, 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 13 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5925-00-142-0752
Primary Part NumberAM1-83-A-20-2
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerEaton Corp Heinemann Products Commercial Controls Div
StatusCANCELLED
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent115.0 SINGLE LOCATION
Main Contact Tripping Mechanism TypeTRIP FREE
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Maximum Continuous Load Current Rating Per Pole20.0 AMPERES DC SINGLE LOCATION
Reset MethodMANUAL
Actuator FunctionTRIP-RESET
Trip Delay Time in Seconds Per Rated Continuous Current0.600 MINIMUM AT 200 PCT AND 8.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Center to Center Distance Between Terminals Parallel to Length1.940 INCHES NOMINAL IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Length2.050 INCHES MINIMUM AND 2.070 INCHES MAXIMUM IN
Special Handling FeatureMAGNETIC
Mounting Surface to Terminal End Distance2.475 INCHES NOMINAL IN
Fragility FactorMODERATELY RUGGED
Arc Quenching MethodMAGNETIC BLOWOUT
Storage TypeGENERAL PURPOSE WAREHOUSE
Mounting Facility Type and Quantity2 THREADED HOLE(S)
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.).
Nominal Thread Size0.138 INCHES IN
MaterialPLASTIC CASE
Body Width0.750 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Terminal Type and Quantity2 THREADED STUD
Inclosure Protection Type for Which DesignedMOISTURE RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT
Pole Quantity1
Boss Height0.150 INCHES NOMINAL IN
Body Length2.480 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Body StyleSINGLE POLE TYPE
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps2000.0 DC SINGLE LOCATION
Trip Release MethodMAGNETIC SINGLE LOCATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5935-00-060-913133-67 INTERCHANGEABLE
Backshell,electrical Connector
Te Connectivity Corporation Dba Microdot Products
5895-00-223-89953367 INTERCHANGEABLE
Decoder,audio Frequency
Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
2910-00-304-34273315847 INTERCHANGEABLE
Filter Element,fluid
Cummins Inc.
2920-00-360-458710049 INTERCHANGEABLE
Head,bendix Drive
Mitsubishi Caterpillar Forklift America, Inc
2530-00-844-6853 INTERCHANGEABLE
Cylinder,hydraulic Brake,wheel
3040-00-941-5735N03367 INTERCHANGEABLE
Ring,piston
Leslie Controls, Inc. Dba Leslie Controls Inc
5935-01-184-4082131-2201-01 INTERCHANGEABLE
Connector,plug,electrical
Tektronix, Inc.
6110-01-335-8499 INTERCHANGEABLE
Starter,motor
4210-01-606-59163367 INTERCHANGEABLE
Turret,roof,firetruck
Akron Brass Company
Cross-Reference Index
Part NumberManufacturer
AM1-83-A-20-2 Eaton Corp Heinemann Products Commercial Controls Div (USA)
APL1-55629-1-099 Sensata Technologies Maryland, Inc (USA)
UPL-1-1-52-203 Sensata Technologies Maryland, Inc (USA)
131-220-101 Wood Electric Operations Potter and Brumfield Div Amf Inc (USA)
MIL-PRF-55629/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-55629/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AM1-B3-A-20-2 Eaton Corp Heinemann Products Commercial Controls Div (USA)
M55629/1-099 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
APL-1-1-52-203-M Sensata Technologies Maryland, Inc (USA)
10098983-101 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
3367 Transact Intl Inc (USA)
AM12MG6-20A28VDC Eaton Corp Heinemann Products Commercial Controls Div (USA)
W91X15-2-20 Te Connectivity Corporation (USA)
Related Parts
5935-00-060-9131INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
33-67
5895-00-223-8995INTERCHANGEABLE
DECODER,AUDIO FREQUENCY
3367
2910-00-304-3427INTERCHANGEABLE
FILTER ELEMENT,FLUID
3315847
2920-00-360-4587INTERCHANGEABLE
HEAD,BENDIX DRIVE
10049
2530-00-844-6853INTERCHANGEABLE
CYLINDER,HYDRAULIC BRAKE,WHEEL
3040-00-941-5735INTERCHANGEABLE
RING,PISTON
N03367
5935-01-184-4082INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
131-2201-01
6110-01-335-8499INTERCHANGEABLE
STARTER,MOTOR
4210-01-606-5916INTERCHANGEABLE
TURRET,ROOF,FIRETRUCK
3367

Frequently Asked Questions

What is NSN 5925-00-142-0752?

NSN 5925-00-142-0752 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 5925-00-142-0752?

NSN 5925-00-142-0752 has 13 cross-referenced part numbers: AM1-83-A-20-2 (Eaton Corp Heinemann Products Commercial Controls Div), APL1-55629-1-099 (Sensata Technologies Maryland, Inc), UPL-1-1-52-203 (Sensata Technologies Maryland, Inc), 131-220-101 (Wood Electric Operations Potter and Brumfield Div Amf Inc), MIL-PRF-55629/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 8 more.

What NSN replaces 5925-00-142-0752?

There are 9 known substitutes for 5925-00-142-0752: 5935-00-060-9131, 5895-00-223-8995, 2910-00-304-3427 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AM1-83-A-20-2?

Key specifications for AM1-83-A-20-2: Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 115.0 SINGLE LOCATION; Main Contact Tripping Mechanism Type: TRIP FREE; Circuit Protection Type: OVERCURRENT SINGLE LOCATION; Maximum Continuous Load Current Rating Per Pole: 20.0 AMPERES DC SINGLE LOCATION. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5925-00-142-0752 still in active supply?

NSN 5925-00-142-0752 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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