PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45-820Circuit Breaker

Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc · NSN 5925-01-119-3429 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-119-3429 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-119-3429. Primary manufacturer part number: 45-820.
Features
  • Circuit Breaker — FSC 5925
  • Operating Voltage Type and Rating Per Pole in Volts: 450.0 AC AND 120.0 DC ALL LOCATIONS
  • Unpackaged Unit Weight: 5.500 POUNDS NOMINAL LBS
  • Trip Release Characteristic: INSTANTANEOUS ALL LOCATIONS
  • Reset Method: MANUAL
  • Material: PLASTIC CASE
  • Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps: 15000.0 AC AND 15000.0 DC ALL LOCATIONS
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 ALL LOCATIONS
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-119-3429, 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 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-119-3429
Primary Part Number45-820
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerDrs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
StatusACTIVE
Operating Voltage Type and Rating Per Pole in Volts450.0 AC AND 120.0 DC ALL LOCATIONS
Unpackaged Unit Weight5.500 POUNDS NOMINAL LBS
Trip Release CharacteristicINSTANTANEOUS ALL LOCATIONS
Reset MethodMANUAL
MaterialPLASTIC CASE
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps15000.0 AC AND 15000.0 DC ALL LOCATIONS
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 ALL LOCATIONS
Trip Release Ambient Temp Rating50.0 CELSIUS NOMINAL ALL LOCATIONS DEGC
Precious Material and LocationCONTACT SURFACES SILVER
Frequency in Hertz60.0 ALL LOCATIONS
Nominal Thread Size0.138 INCHES IN
Actuator Position DesignationAT POLE ONE
Maximum Continuous Load Current Rating Per Pole75.0 AMPERES AC AND 75.0 AMPERES DC ALL LOCATIONS
Pole Quantity3
Thread Quantity Per Inch32
Fragility FactorMODERATELY RUGGED
Storage TypeGENERAL PURPOSE WAREHOUSE
Arc Quenching MethodDEION
Mounting Facility Type and Quantity4 THREADED HOLE(S)
Terminal Type and Quantity6 QUICK DISCONNECT, MALE
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Inclosure Protection Type for Which DesignedGENERAL PURPOSE
Precious MaterialSILVER
Actuator FunctionTRIP-RESET
Main Contact Tripping Mechanism TypeTRIP FREE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3815-00-125-3051 INTERCHANGEABLE
Wedge
6515-01-514-5495458.20 INTERCHANGEABLE
Bolt,tibial,orthopedic
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
1279C57G14 Eaton Corporation Dba Eaton Inoac (USA)
45-820 PRIMARY Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
Related Parts
3815-00-125-3051INTERCHANGEABLE
WEDGE
6515-01-514-5495INTERCHANGEABLE
BOLT,TIBIAL,ORTHOPEDIC
458.20

Frequently Asked Questions

What is NSN 5925-01-119-3429?

NSN 5925-01-119-3429 is a Circuit Breaker, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-119-3429?

NSN 5925-01-119-3429 has 2 cross-referenced part numbers: 1279C57G14 (Eaton Corporation Dba Eaton Inoac), 45-820 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).

What NSN replaces 5925-01-119-3429?

There are 2 known substitutes for 5925-01-119-3429: 3815-00-125-3051, 6515-01-514-5495. Verify interchangeability with system specifications before substitution.

What are the specifications of 45-820?

Key specifications for 45-820: Overall Height: 4.125 INCHES NOMINAL IN; Operating Voltage Type and Rating Per Pole in Volts: 450.0 AC AND 120.0 DC ALL LOCATIONS; Unpackaged Unit Weight: 5.500 POUNDS NOMINAL LBS; Trip Release Characteristic: INSTANTANEOUS ALL LOCATIONS. 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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