PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-C-375/1Circuit Breaker

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5925-01-121-2198 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-121-2198 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-121-2198. Primary manufacturer part number: W-C-375/1.
Features
  • Circuit Breaker — FSC 5925
  • Frequency in Hertz: 60.0 SINGLE LOCATION
  • Reset Method: MANUAL
  • Main Contact Tripping Mechanism Type: TRIP FREE
  • Material: PLASTIC CASE
  • Actuator Position Designation: AT POLE ONE
  • Terminal Type and Quantity: 1 CLIP AND 1 SCREW
  • Specification/standard Data: 81348-W-C-375/1 GOVERNMENT SPECIFICATION
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-121-2198, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5925-01-121-2198
Primary Part NumberW-C-375/1
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Frequency in Hertz60.0 SINGLE LOCATION
Reset MethodMANUAL
Main Contact Tripping Mechanism TypeTRIP FREE
MaterialPLASTIC CASE
Actuator Position DesignationAT POLE ONE
Terminal Type and Quantity1 CLIP AND 1 SCREW
Specification/standard Data81348-W-C-375/1 GOVERNMENT SPECIFICATION
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent135.0 SINGLE LOCATION
Manual Actuator Type and Quantity1 TOGGLE
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
Operating Voltage Type and Rating Per Pole in Volts240.0 AC SINGLE LOCATION
Trip Release MethodTHERMAL-MAGNETIC SINGLE LOCATION
Test Data Document81348-W-C-375 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.).
Actuator FunctionTRIP-RESET
Trip Delay Time in Seconds Per Rated Continuous Current4.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps10000.0 AC SINGLE LOCATION
Body Height2.580 INCHES NOMINAL IN
Mounting Facility Type and Quantity1 TERMINAL
Pole Quantity1
Arc Quenching MethodMAGNETIC BLOWOUT
Fragility FactorMODERATELY RUGGED
Boss Height0.250 INCHES NOMINAL IN
Storage TypeGENERAL PURPOSE WAREHOUSE
Special Handling FeatureMAGNETIC
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Inclosure Protection Type for Which DesignedCORROSION RESISTANT
Body Width0.720 INCHES NOMINAL IN
Maximum Continuous Load Current Rating Per Pole40.0 AMPERES AC SINGLE LOCATION
Body Length3.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5925-00-583-7941014206-0006 INTERCHANGEABLE
Circuit Breaker
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5925-00-682-4096 INTERCHANGEABLE
Circuit Breaker
5925-00-782-6845 INTERCHANGEABLE
Circuit Breaker
5925-00-823-2485 INTERCHANGEABLE
Circuit Breaker
5925-01-017-7270 INTERCHANGEABLE
Circuit Breaker
5925-01-042-0109 INTERCHANGEABLE
Circuit Breaker
5925-01-093-7558 INTERCHANGEABLE
Circuit Breaker
5925-01-102-2356 INTERCHANGEABLE
Circuit Breaker
5925-01-111-7562 INTERCHANGEABLE
Circuit Breaker
5925-01-265-7694 INTERCHANGEABLE
Circuit Breaker
Cross-Reference Index
Part NumberManufacturer
W-C-375/1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WC375/01-007 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5925-00-583-7941INTERCHANGEABLE
CIRCUIT BREAKER
014206-0006
5925-00-682-4096INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-782-6845INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-823-2485INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-017-7270INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-042-0109INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-093-7558INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-102-2356INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-111-7562INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-265-7694INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 5925-01-121-2198?

NSN 5925-01-121-2198 is a Circuit Breaker, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5925 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5925-01-121-2198?

NSN 5925-01-121-2198 has 2 cross-referenced part numbers: W-C-375/1 (Federal Specifications Promulgated by General Services Administration Washington DC), WC375/01-007 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5925-01-121-2198?

There are 10 known substitutes for 5925-01-121-2198: 5925-00-583-7941, 5925-00-682-4096, 5925-00-782-6845 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-C-375/1?

Key specifications for W-C-375/1: Frequency in Hertz: 60.0 SINGLE LOCATION; Reset Method: MANUAL; Main Contact Tripping Mechanism Type: TRIP FREE; Material: PLASTIC CASE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5925-01-121-2198 still in active supply?

NSN 5925-01-121-2198 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.
PartsTable Design LLC · partstable.com