PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

220Circuit Breaker

Napco International Llc Dba Napco International Inc · NSN 5925-00-503-5841 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-503-5841 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-503-5841. Primary manufacturer part number: 220.
Features
  • Circuit Breaker — FSC 5925
  • Trip Release Characteristic: INSTANTANEOUS AND TIME DELAY ALL LOCATIONS
  • Actuator Position Designation: AT EACH POLE
  • Main Contact Tripping Mechanism Type: TRIP FREE
  • Manual Actuator Type and Quantity: 2 TOGGLE
  • Maximum Continuous Load Current Rating Per Pole: 20.0 AMPERES AC ALL LOCATIONS
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 ALL LOCATIONS
  • Terminal Type and Quantity: 2 COMPRESSION AND 2 QUICK DISCONNECT, MALE
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-503-5841, 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 Napco International Llc Dba Napco International Inc. 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-00-503-5841
Primary Part Number220
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusACTIVE
Trip Release CharacteristicINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
Actuator Position DesignationAT EACH POLE
Main Contact Tripping Mechanism TypeTRIP FREE
Manual Actuator Type and Quantity2 TOGGLE
Maximum Continuous Load Current Rating Per Pole20.0 AMPERES AC ALL LOCATIONS
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 ALL LOCATIONS
Terminal Type and Quantity2 COMPRESSION AND 2 QUICK DISCONNECT, MALE
Trip Delay Time in Seconds Per Rated Continuous Current120.000 MAXIMUM AT 200 PCT ALL LOCATIONS
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.).
Internal Trip Release ConfigurationSERIES TRIP ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
MaterialPLASTIC CASE
Trip Release MethodTHERMAL ALL LOCATIONS
Actuator FunctionTRIP-RESET
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps10000.0 AC ALL LOCATIONS
Body Height2.812 INCHES NOMINAL IN
Body Length3.094 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 TERMINAL
Storage TypeGENERAL PURPOSE WAREHOUSE
Center to Center Distance Between Terminals Parallel to Width1.000 INCHES NOMINAL IN
Pole Quantity2
Boss Height0.250 INCHES NOMINAL IN
Fragility FactorMODERATELY RUGGED
Operating Voltage Type and Rating Per Pole in Volts240.0 AC ALL LOCATIONS
Specification/standard Data81348-W-C-375/14 GOVERNMENT SPECIFICATION
Frequency in Hertz60.0 ALL LOCATIONS
Trip Release Ambient Temp Rating40.0 CELSIUS NOMINAL ALL LOCATIONS DEGC
Inclosure Protection Type for Which DesignedFUNGUS RESISTANT
Reset MethodMANUAL
External Actuator Linkage ArrangementONE AND TWO LINKED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5925-00-828-3530 INTERCHANGEABLE
Circuit Breaker
5925-01-099-0693 INTERCHANGEABLE
Circuit Breaker
5925-01-104-3445 INTERCHANGEABLE
Circuit Breaker
5925-01-105-6158 INTERCHANGEABLE
Circuit Breaker
5925-01-111-7193 INTERCHANGEABLE
Circuit Breaker
5925-01-265-7702 INTERCHANGEABLE
Circuit Breaker
Cross-Reference Index
Part NumberManufacturer
220 Napco International Llc Dba Napco International Inc (USA)
WC375/14-002 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
W-C-375/14 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5925-00-828-3530INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-099-0693INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-104-3445INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-105-6158INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-111-7193INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-265-7702INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 5925-00-503-5841?

NSN 5925-00-503-5841 is a Circuit Breaker, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-00-503-5841?

NSN 5925-00-503-5841 has 3 cross-referenced part numbers: 220 (Napco International Llc Dba Napco International Inc), WC375/14-002 (Federal Specifications Promulgated by General Services Administration Washington DC), W-C-375/14 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5925-00-503-5841?

There are 6 known substitutes for 5925-00-503-5841: 5925-00-828-3530, 5925-01-099-0693, 5925-01-104-3445 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 220?

Key specifications for 220: Trip Release Characteristic: INSTANTANEOUS AND TIME DELAY ALL LOCATIONS; Actuator Position Designation: AT EACH POLE; Main Contact Tripping Mechanism Type: TRIP FREE; Manual Actuator Type and Quantity: 2 TOGGLE. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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