PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73-111-4Circuit Breaker

Eaton Corp Heinemann Products Commercial Controls Div · NSN 5925-00-996-0545 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-996-0545 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-996-0545. Primary manufacturer part number: 73-111-4.
Features
  • Circuit Breaker — FSC 5925
  • Main Contact Tripping Mechanism Type: TRIP FREE
  • Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC ALL LOCATIONS
  • Internal Trip Release Configuration: RELAY TRIP FIRST LOCATION
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 ALL LOCATIONS
  • Trip Delay Time in Seconds Per Rated Continuous Current: 4.000 MINIMUM AT 200 PCT AND 12.000 MAXIMUM AT 200 PCT ALL LOCATIONS
  • Trip Release Method: MAGNETIC ALL LOCATIONS
  • Trip Release Characteristic: TIME DELAY ALL LOCATIONS
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-996-0545, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-00-996-0545
Primary Part Number73-111-4
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerEaton Corp Heinemann Products Commercial Controls Div
StatusACTIVE
Main Contact Tripping Mechanism TypeTRIP FREE
Operating Voltage Type and Rating Per Pole in Volts250.0 AC ALL LOCATIONS
Internal Trip Release ConfigurationRELAY TRIP FIRST LOCATION
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 ALL LOCATIONS
Trip Delay Time in Seconds Per Rated Continuous Current4.000 MINIMUM AT 200 PCT AND 12.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Trip Release MethodMAGNETIC ALL LOCATIONS
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Test Data Document36378-527573 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Maximum Continuous Load Current Rating Per Pole50.0 AMPERES AC ALL LOCATIONS
Internal Trip Release ConfigurationSERIES TRIP SECOND LOCATION
Frequency in Hertz60.0 ALL LOCATIONS
External Actuator Linkage ArrangementONE, TWO, AND THREE LINKED
Internal Trip Release ConfigurationSERIES TRIP THIRD LOCATION
Manual Actuator Type and Quantity3 TOGGLE
Actuator FunctionTRIP-RESET
MaterialPLASTIC CASE
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Reset MethodMANUAL
Terminal Type and Quantity8 THREADED STUD
Actuator Position DesignationAT EACH POLE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps1500.0 AC ALL LOCATIONS
Nominal Thread Size0.138 INCHES IN
Boss Height0.140 INCHES NOMINAL IN
Mounting Surface to Terminal End Distance2.471 INCHES NOMINAL IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.750 INCHES NOMINAL IN
Pole Quantity3
Center to Center Distance Between Terminals Parallel to Length1.938 INCHES NOMINAL IN
Center to Center Distance Between Terminals Parallel to Width0.750 INCHES NOMINAL IN
Thread Quantity Per Inch32
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-210-0751731114PC4 INTERCHANGEABLE
Washer,lock,special
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-210-0752 INTERCHANGEABLE
Washer,special
5360-00-525-6317711-114 INTERCHANGEABLE
Spring,helical,compression
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
2995-00-761-816571-1-114 INTERCHANGEABLE
Retainer
L3harris Interstate Electronics Corporation
1650-01-384-6609DS-939398 INTERCHANGEABLE
Stop,cam,hydraulic Pump
Eaton Aerospace, Llc Dba Jackson South
3110-01-388-57351B7297 INTERCHANGEABLE
Bearing,ball,rod End
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5330-01-420-0749711114 INTERCHANGEABLE
Gasket
Ge Aviation Systems Llc
Cross-Reference Index
Part NumberManufacturer
73-111-4 Eaton Corp Heinemann Products Commercial Controls Div (USA)
71-111-4 Eaton Corp Heinemann Products Commercial Controls Div (USA)
527573 Raytheon Technical Services Company (USA)
Related Parts
5310-00-210-0751INTERCHANGEABLE
WASHER,LOCK,SPECIAL
731114PC4
5310-00-210-0752INTERCHANGEABLE
WASHER,SPECIAL
5360-00-525-6317INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
711-114
2995-00-761-8165INTERCHANGEABLE
RETAINER
71-1-114
1650-01-384-6609INTERCHANGEABLE
STOP,CAM,HYDRAULIC PUMP
DS-939398
3110-01-388-5735INTERCHANGEABLE
BEARING,BALL,ROD END
1B7297
5330-01-420-0749INTERCHANGEABLE
GASKET
711114

Frequently Asked Questions

What is NSN 5925-00-996-0545?

NSN 5925-00-996-0545 is a Circuit Breaker, manufactured by Eaton Corp Heinemann Products Commercial Controls Div, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-00-996-0545?

NSN 5925-00-996-0545 has 3 cross-referenced part numbers: 73-111-4 (Eaton Corp Heinemann Products Commercial Controls Div), 71-111-4 (Eaton Corp Heinemann Products Commercial Controls Div), 527573 (Raytheon Technical Services Company).

What NSN replaces 5925-00-996-0545?

There are 7 known substitutes for 5925-00-996-0545: 5310-00-210-0751, 5310-00-210-0752, 5360-00-525-6317 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 73-111-4?

Key specifications for 73-111-4: Main Contact Tripping Mechanism Type: TRIP FREE; Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC ALL LOCATIONS; Internal Trip Release Configuration: RELAY TRIP FIRST LOCATION; Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 ALL LOCATIONS. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com