PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

76-4182-01Circuit Breaker

Department of Defense Project Manager-Mobile Electric Power · NSN 5925-01-050-9661 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-050-9661 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-050-9661. Primary manufacturer part number: 76-4182-01.
Features
  • Circuit Breaker — FSC 5925
  • Body Style: MULTIPOLE-SINGLE ACTUATOR TYPE
  • Frequency in Hertz: 60.0 ALL LOCATIONS
  • Auxiliary Switch Function and Quantity: 1 ALARM
  • Trip Release Method: THERMAL-MAGNETIC ALL LOCATIONS
  • Switch Terminal Type: WIRE LEAD
  • Trip Release Characteristic: INSTANTANEOUS ALL LOCATIONS
  • Circuit Protection Type: UNDERVOLTAGE ALL LOCATIONS
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-050-9661, 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 Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-050-9661
Primary Part Number76-4182-01
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerDepartment of Defense Project Manager-Mobile Electric Power
StatusACTIVE
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Frequency in Hertz60.0 ALL LOCATIONS
Auxiliary Switch Function and Quantity1 ALARM
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
Switch Terminal TypeWIRE LEAD
Trip Release CharacteristicINSTANTANEOUS ALL LOCATIONS
Circuit Protection TypeUNDERVOLTAGE ALL LOCATIONS
Maximum Continuous Load Current Rating Per Pole400.0 AMPERES AC ALL LOCATIONS
Nominal Thread Size0.375 INCHES IN
Switch Voltage Rating and Type in Volts120.0 AC AND 24.0 DC
Main Contact Tripping Mechanism TypeTRIP FREE
Manual Actuator Type and Quantity1 TOGGLE
Reset MethodMANUAL
Inclosure Protection Type for Which DesignedHUMIDITY RESISTANT AND MOISTURE RESISTANT
Operating Voltage Type and Rating Per Pole in Volts208.0 AC ALL LOCATIONS
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps42000.0 AC ALL LOCATIONS
MaterialPLASTIC CASE
Actuator Position DesignationAT POLE TWO
Switch Current Rating and Type in Amps10.0 AC AND 5.0 DC
Switch Location and Position DesignationINTERNAL AT POLE THREE
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 ALL LOCATIONS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Terminal Type and Quantity6 SCREW
Body Width6.000 INCHES NOMINAL IN
Actuator FunctionTRIP-RESET
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL ALL LOCATIONS DEGC
Storage TypeGENERAL PURPOSE WAREHOUSE
Center to Center Distance Between Terminals Parallel to Width2.000 INCHES NOMINAL IN
Mounting Facility Type and Quantity3 THREADED HOLE(S) AND 4 UNTHREADED HOLE(S)
Thread Quantity Per Inch16
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6810-00-146-75151-9680 INTERCHANGEABLE
Sulfuric Acid
Avantor Performance Materials, Inc.
5330-01-020-57871968-0 INTERCHANGEABLE
Gasket
Dover Corp Groen Div
3455-01-100-900219680 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
Cross-Reference Index
Part NumberManufacturer
76-4182-01 Southern Electric Supply Co Dba Rexel, Inc. Div Rexel Dayton (USA)
19680 Creating Technology Solutions, Llc Dba Technology Research Corp Div Technology Research Corp (USA)
63030-212-50 Square D Co Cedar Rapids Mfg Plant (USA)
76-4182-01 Afcon Products, Inc. (USA)
76-4182-01 PRIMARY Department of Defense Project Manager-Mobile Electric Power (USA)
Related Parts
6810-00-146-7515INTERCHANGEABLE
SULFURIC ACID
1-9680
5330-01-020-5787INTERCHANGEABLE
GASKET
1968-0
3455-01-100-9002INTERCHANGEABLE
REAMER,MACHINE
19680

Frequently Asked Questions

What is NSN 5925-01-050-9661?

NSN 5925-01-050-9661 is a Circuit Breaker, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-050-9661?

NSN 5925-01-050-9661 has 5 cross-referenced part numbers: 76-4182-01 (Southern Electric Supply Co Dba Rexel, Inc. Div Rexel Dayton), 19680 (Creating Technology Solutions, Llc Dba Technology Research Corp Div Technology Research Corp), 63030-212-50 (Square D Co Cedar Rapids Mfg Plant), 76-4182-01 (Afcon Products, Inc.), 76-4182-01 (Department of Defense Project Manager-Mobile Electric Power).

What NSN replaces 5925-01-050-9661?

There are 3 known substitutes for 5925-01-050-9661: 6810-00-146-7515, 5330-01-020-5787, 3455-01-100-9002. Verify interchangeability with system specifications before substitution.

What are the specifications of 76-4182-01?

Key specifications for 76-4182-01: Body Style: MULTIPOLE-SINGLE ACTUATOR TYPE; Frequency in Hertz: 60.0 ALL LOCATIONS; Auxiliary Switch Function and Quantity: 1 ALARM; Trip Release Method: THERMAL-MAGNETIC 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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