PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ETN-2743Circuit Breaker

I-T-E Imperial Corp Sub of Gould Inc Distribution and Controls Div · NSN 5925-01-136-5633 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-136-5633 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-136-5633. Primary manufacturer part number: ETN-2743.
Features
  • Circuit Breaker — FSC 5925
  • Body Height: 4.062 INCHES NOMINAL IN
  • Center to Center Distance Between Terminals Parallel to Length: 3.938 INCHES NOMINAL IN
  • Boss Height: 0.188 INCHES NOMINAL IN
  • Center to Center Distance Between Terminals Parallel to Width: 1.344 INCHES NOMINAL IN
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 3.688 INCHES NOMINAL IN
  • Special Handling Feature: MAGNETIC
  • Fragility Factor: MODERATELY RUGGED
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-136-5633, 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 I-T-E Imperial Corp Sub of Gould Inc Distribution and Controls Div. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5925-01-136-5633
Primary Part NumberETN-2743
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerI-T-E Imperial Corp Sub of Gould Inc Distribution and Controls Div
StatusCANCELLED
Body Height4.062 INCHES NOMINAL IN
Center to Center Distance Between Terminals Parallel to Length3.938 INCHES NOMINAL IN
Boss Height0.188 INCHES NOMINAL IN
Center to Center Distance Between Terminals Parallel to Width1.344 INCHES NOMINAL IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Width3.688 INCHES NOMINAL IN
Special Handling FeatureMAGNETIC
Fragility FactorMODERATELY RUGGED
Arc Quenching MethodAIR
Storage TypeGENERAL PURPOSE WAREHOUSE
Distance Between Centerlines of Mounting Facilities Parallel to Body Length4.827 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.190 INCHES NOMINAL IN
Pole Quantity3
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Body Width4.125 INCHES NOMINAL IN
Terminal Type and Quantity6 QUICK DISCONNECT, MALE
Inclosure Protection Type for Which DesignedSHOCK RESISTANT AND VIBRATION RESISTANT
Trip Release Ambient Temp Rating50.0 CELSIUS NOMINAL ALL LOCATIONS DEGC
Main Contact Tripping Mechanism TypeTRIP FREE
Actuator Position DesignationAT POLE TWO
Trip Delay Time in Seconds Per Rated Continuous Current5.000 MINIMUM AT 200 PCT AND 15.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Body Length6.500 INCHES NOMINAL IN
Manual Actuator Type and Quantity1 TOGGLE
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent150.0 ALL LOCATIONS
Trip Release CharacteristicINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
MaterialPLASTIC CASE
Maximum Continuous Load Current Rating Per Pole75.0 AMPERES AC ALL LOCATIONS
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps7500.0 AC ALL LOCATIONS
Frequency in Hertz400.0 ALL LOCATIONS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5925-00-867-7328 INTERCHANGEABLE
Circuit Breaker
5925-00-867-7329 INTERCHANGEABLE
Circuit Breaker
5925-00-876-9216 INTERCHANGEABLE
Circuit Breaker
5925-00-876-9217 INTERCHANGEABLE
Circuit Breaker
5925-00-876-9218 INTERCHANGEABLE
Circuit Breaker
5925-00-876-9219S458D509G14 INTERCHANGEABLE
Circuit Breaker
Eaton Corporation Dba Eaton Inoac
5925-01-051-5537 INTERCHANGEABLE
Circuit Breaker
5925-01-227-8378 INTERCHANGEABLE
Circuit Breaker
5920-01-281-4158 INTERCHANGEABLE
Fuse Box
5925-01-318-4436 INTERCHANGEABLE
Circuit Breaker
Cross-Reference Index
Part NumberManufacturer
ETN-2743 I-T-E Imperial Corp Sub of Gould Inc Distribution and Controls Div (USA)
375D413G14 Eaton Corporation Dba Eaton Inoac (USA)
375D413G14 Westinghouse Electric Corp Control Business Unit
707009 ITEM 236 L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA)
458D509G14 General Electric Company Dba Ge (USA)
H5925-876-9219 Electrical Packaging Co Inc (USA)
302-11-004 L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA)
458D509G14 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
483505-4 Raytheon Company Div Corp (USA)
ETN2743 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
ETN2753 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-17361/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AQB-A101-75 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
458D509G14 Westinghouse Electric Corp Control Business Unit
MIL-C-17361/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
458D509G14 L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA)
5925PL0991678 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5925-00-867-7328INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-867-7329INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-876-9216INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-876-9217INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-876-9218INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-876-9219INTERCHANGEABLE
CIRCUIT BREAKER
S458D509G14
5925-01-051-5537INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-227-8378INTERCHANGEABLE
CIRCUIT BREAKER
5920-01-281-4158INTERCHANGEABLE
FUSE BOX
5925-01-318-4436INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-388-7049INTERCHANGEABLE
CIRCUIT BREAKER
45-382

Frequently Asked Questions

What is NSN 5925-01-136-5633?

NSN 5925-01-136-5633 is a Circuit Breaker, manufactured by I-T-E Imperial Corp Sub of Gould Inc Distribution and Controls Div, classified under FSC 5925 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5925-01-136-5633?

NSN 5925-01-136-5633 has 17 cross-referenced part numbers: ETN-2743 (I-T-E Imperial Corp Sub of Gould Inc Distribution and Controls Div), 375D413G14 (Eaton Corporation Dba Eaton Inoac), 375D413G14 (Westinghouse Electric Corp Control Business Unit), 707009 ITEM 236 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation), 458D509G14 (General Electric Company Dba Ge) and 12 more.

What NSN replaces 5925-01-136-5633?

There are 11 known substitutes for 5925-01-136-5633: 5925-00-867-7328, 5925-00-867-7329, 5925-00-876-9216 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ETN-2743?

Key specifications for ETN-2743: Body Height: 4.062 INCHES NOMINAL IN; Center to Center Distance Between Terminals Parallel to Length: 3.938 INCHES NOMINAL IN; Boss Height: 0.188 INCHES NOMINAL IN; Center to Center Distance Between Terminals Parallel to Width: 1.344 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5925-01-136-5633 still in active supply?

NSN 5925-01-136-5633 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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