PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

458D509G13Circuit Breaker

Westinghouse Electric Corp · NSN 5925-00-876-9218 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-876-9218 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-876-9218. Primary manufacturer part number: 458D509G13.
Features
  • Circuit Breaker — FSC 5925
  • Specification/standard Data: 81349-MIL-C-17361/4 GOVERNMENT SPECIFICATION
  • Manual Actuator Type and Quantity: 1 TOGGLE
  • Trip Release Characteristic: INSTANTANEOUS AND TIME DELAY ALL LOCATIONS
  • Operating Voltage Type and Rating Per Pole in Volts: 500.0 AC ALL LOCATIONS
  • Terminal Type and Quantity: 6 QUICK DISCONNECT, MALE
  • Frequency in Hertz: 60.0 ALL LOCATIONS
  • Trip Delay Time in Seconds Per Rated Continuous Current: 5.000 MINIMUM AT 200 PCT AND 15.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-876-9218, 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 Westinghouse Electric Corp. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 10 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
NSN5925-00-876-9218
Primary Part Number458D509G13
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusCANCELLED
Specification/standard Data81349-MIL-C-17361/4 GOVERNMENT SPECIFICATION
Manual Actuator Type and Quantity1 TOGGLE
Trip Release CharacteristicINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
Operating Voltage Type and Rating Per Pole in Volts500.0 AC ALL LOCATIONS
Terminal Type and Quantity6 QUICK DISCONNECT, MALE
Frequency in Hertz60.0 ALL LOCATIONS
Trip Delay Time in Seconds Per Rated Continuous Current5.000 MINIMUM AT 200 PCT AND 15.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps7500.0 AC ALL LOCATIONS
MaterialPLASTIC CASE
Test Data Document81349-MIL-C-17361 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.).
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Trip Release Ambient Temp Rating50.0 CELSIUS NOMINAL ALL LOCATIONS DEGC
Maximum Continuous Load Current Rating Per Pole50.0 AMPERES AC ALL LOCATIONS
Main Contact Tripping Mechanism TypeTRIP FREE
Actuator FunctionTRIP-RESET
Inclosure Protection Type for Which DesignedSHOCK RESISTANT AND VIBRATION RESISTANT
Reset MethodMANUAL
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent150.0 ALL LOCATIONS
Actuator Position DesignationAT POLE TWO
Storage TypeGENERAL PURPOSE WAREHOUSE
Distance Between Centerlines of Mounting Facilities Parallel to Body Width3.688 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.190 INCHES NOMINAL IN
Pole Quantity3
Center to Center Distance Between Terminals Parallel to Width1.344 INCHES NOMINAL IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Length4.827 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Special Handling FeatureMAGNETIC
Boss Height0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5925-00-489-7815ETN2742 INTERCHANGEABLE
Circuit Breaker
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
5925-00-727-7550375D413G13 INTERCHANGEABLE
Circuit Breaker
Eaton Corporation Dba Eaton Inoac
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
5925-01-051-5537 INTERCHANGEABLE
Circuit Breaker
5925-01-136-5633 INTERCHANGEABLE
Circuit Breaker
5925-01-227-8378 INTERCHANGEABLE
Circuit Breaker
5925-01-234-3116 INTERCHANGEABLE
Circuit Breaker
Cross-Reference Index
Part NumberManufacturer
458D509G13 Westinghouse Electric Corp (USA)
ETN2752 Naval Inventory Control Point Mechanicsburg (USA)
458D509HG13 Eaton Corporation Dba Eaton Inoac (USA)
ETN2742 Naval Inventory Control Point Mechanicsburg (USA)
AQB-A101-50 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ETN2752 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3257636-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
4580509G13 Westinghouse Electric Corp (USA)
ETN84141 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
MIL-C-17361/4 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
5925PL0995017 Jednolity Indeks Materialowy - Uniform Material Index (POL)
H5925-00-876-9218 Eaton Corporation Dba Eaton Inoac (USA)
ETN2752 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
458D509G13 General Electric Company Dba Ge (USA)
458D509G13-50A Westinghouse Electric Corp Control Business Unit
S458D509G13 Westinghouse Electric Corp (USA)
458D509G13 Westinghouse Electric Corp Control Business Unit
321-7303507 ITEM NO 10 Naval Sea Systems Command (USA)
Related Parts
5925-00-489-7815INTERCHANGEABLE
CIRCUIT BREAKER
ETN2742
5925-00-727-7550INTERCHANGEABLE
CIRCUIT BREAKER
375D413G13
5925-00-867-7328INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-867-7329INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-876-9216INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-876-9217INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-051-5537INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-136-5633INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-227-8378INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-234-3116INTERCHANGEABLE
CIRCUIT BREAKER
5920-01-281-4158INTERCHANGEABLE
FUSE BOX
5925-01-318-4436INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 5925-00-876-9218?

NSN 5925-00-876-9218 is a Circuit Breaker, manufactured by Westinghouse Electric Corp, classified under FSC 5925 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5925-00-876-9218?

NSN 5925-00-876-9218 has 19 cross-referenced part numbers: 458D509G13 (Westinghouse Electric Corp), ETN2752 (Naval Inventory Control Point Mechanicsburg), 458D509HG13 (Eaton Corporation Dba Eaton Inoac), ETN2742 (Naval Inventory Control Point Mechanicsburg), AQB-A101-50 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 14 more.

What NSN replaces 5925-00-876-9218?

There are 12 known substitutes for 5925-00-876-9218: 5925-00-489-7815, 5925-00-727-7550, 5925-00-867-7328 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 458D509G13?

Key specifications for 458D509G13: Specification/standard Data: 81349-MIL-C-17361/4 GOVERNMENT SPECIFICATION; Manual Actuator Type and Quantity: 1 TOGGLE; Trip Release Characteristic: INSTANTANEOUS AND TIME DELAY ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 500.0 AC ALL LOCATIONS. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5925-00-876-9218 still in active supply?

NSN 5925-00-876-9218 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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