PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

230029Circuit Breaker

Mallinckrodt Inc Forma Scientific Div · NSN 5925-01-339-1443 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-339-1443 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-339-1443. Primary manufacturer part number: 230029.
Features
  • Circuit Breaker — FSC 5925
  • Trip Release Ambient Temp Rating: 77.0 FAHRENHEIT NOMINAL SINGLE LOCATION DEGF
  • Main Contact Tripping Mechanism Type: TRIP FREE
  • Reset Method: MANUAL
  • Actuator Function: TRIP-RESET
  • Material: PLASTIC CASE
  • Trip Delay Time in Seconds Per Rated Continuous Current: 5.000 MINIMUM AT 200 PCT AND 30.000 MAXIMUM AT 200 PCT SINGLE LOCATION
  • Body Style: SINGLE POLE TYPE
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-339-1443, 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 Mallinckrodt Inc Forma Scientific Div. Government technical data includes 30 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-339-1443
Primary Part Number230029
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerMallinckrodt Inc Forma Scientific Div
StatusACTIVE
Trip Release Ambient Temp Rating77.0 FAHRENHEIT NOMINAL SINGLE LOCATION DEGF
Main Contact Tripping Mechanism TypeTRIP FREE
Reset MethodMANUAL
Actuator FunctionTRIP-RESET
MaterialPLASTIC CASE
Trip Delay Time in Seconds Per Rated Continuous Current5.000 MINIMUM AT 200 PCT AND 30.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Body StyleSINGLE POLE TYPE
Pole Quantity1
Center to Center Distance Between Terminals Parallel to Length0.840 INCHES NOMINAL IN
Arc Quenching MethodMAGNETIC BLOWOUT
Special Handling FeatureMAGNETIC
Storage TypeGENERAL PURPOSE WAREHOUSE
Thread Quantity Per Inch27
Fragility FactorMODERATELY RUGGED
Mounting Surface to Terminal End Distance1.660 INCHES NOMINAL IN
Mounting Facility Type and Quantity1 THREADED BUSHING
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Nominal Thread Size0.375 INCHES IN
Operating Voltage Type and Rating Per Pole in Volts24.0 DC SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps1500.0 DC SINGLE LOCATION
Trip Release MethodTHERMAL SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Manual Actuator Type and Quantity1 PUSH BUTTON
Thread Series DesignatorUNS
Maximum Continuous Load Current Rating Per Pole10.0 AMPERES DC SINGLE LOCATION
Actuator Position DesignationAT POLE ONE
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 SINGLE LOCATION
Terminal Type and Quantity2 TAB, SOLDER LUG
Body Width0.560 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3120-00-112-9043230029 INTERCHANGEABLE
Bushing,sleeve
Dresser, Llc
3040-00-382-0180654614 INTERCHANGEABLE
Lever,manual Control
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-393-52843372040 INTERCHANGEABLE
Gasket
Hatch & Kirk, Inc.
2910-01-460-1353 INTERCHANGEABLE
Filter Element,fluid
Cross-Reference Index
Part NumberManufacturer
230029 Mallinckrodt Inc Forma Scientific Div (USA)
1600-114-100-32 Safran Power Usa, Llc (USA)
Related Parts
3120-00-112-9043INTERCHANGEABLE
BUSHING,SLEEVE
230029
3040-00-382-0180INTERCHANGEABLE
LEVER,MANUAL CONTROL
654614
5330-00-393-5284INTERCHANGEABLE
GASKET
3372040
2910-01-460-1353INTERCHANGEABLE
FILTER ELEMENT,FLUID

Frequently Asked Questions

What is NSN 5925-01-339-1443?

NSN 5925-01-339-1443 is a Circuit Breaker, manufactured by Mallinckrodt Inc Forma Scientific Div, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-339-1443?

NSN 5925-01-339-1443 has 2 cross-referenced part numbers: 230029 (Mallinckrodt Inc Forma Scientific Div), 1600-114-100-32 (Safran Power Usa, Llc).

What NSN replaces 5925-01-339-1443?

There are 4 known substitutes for 5925-01-339-1443: 3120-00-112-9043, 3040-00-382-0180, 5330-00-393-5284 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 230029?

Key specifications for 230029: Trip Release Ambient Temp Rating: 77.0 FAHRENHEIT NOMINAL SINGLE LOCATION DEGF; Main Contact Tripping Mechanism Type: TRIP FREE; Reset Method: MANUAL; Actuator Function: TRIP-RESET. 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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