PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MP104ACircuit Breaker

Safran Power Usa, Llc · NSN 5925-00-173-3438 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-173-3438 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-173-3438. Primary manufacturer part number: MP104A.
Features
  • Circuit Breaker — FSC 5925
  • Actuator Function: TRIP-RESET
  • Actuator Position Designation: AT POLE ONE
  • Trip Delay Time in Seconds Per Rated Continuous Current: 5.000 MINIMUM AT 200 PCT AND 60.000 MAXIMUM AT 200 PCT SINGLE LOCATION
  • Nominal Thread Size: 0.138 INCHES IN
  • Frequency in Hertz: 400.0 SINGLE LOCATION
  • Maximum Continuous Load Current Rating Per Pole: 20.0 AMPERES AC AND 20.0 AMPERES DC SINGLE LOCATION
  • Operating Voltage Type and Rating Per Pole in Volts: 200.0 AC AND 28.0 DC SINGLE LOCATION
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-173-3438, 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 Safran Power Usa, Llc. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5925-00-173-3438
Primary Part NumberMP104A
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerSafran Power Usa, Llc
StatusCANCELLED
Actuator FunctionTRIP-RESET
Actuator Position DesignationAT POLE ONE
Trip Delay Time in Seconds Per Rated Continuous Current5.000 MINIMUM AT 200 PCT AND 60.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Nominal Thread Size0.138 INCHES IN
Frequency in Hertz400.0 SINGLE LOCATION
Maximum Continuous Load Current Rating Per Pole20.0 AMPERES AC AND 20.0 AMPERES DC SINGLE LOCATION
Operating Voltage Type and Rating Per Pole in Volts200.0 AC AND 28.0 DC SINGLE LOCATION
Terminal Type and Quantity2 TAB W/SCREW
Main Contact Tripping Mechanism TypeTRIP FREE
Manual Actuator Type and Quantity1 PUSH-PULL
MaterialPLASTIC CASE
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Terminal Type and Quantity2 TAB W/SCREW
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps5000.0 AC AND 5000.0 DC SINGLE LOCATION
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Trip Delay Time in Seconds Per Rated Continuous Current5.000 MINIMUM AT 200 PCT AND 60.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Unpackaged Unit Weight158.000 POUNDS NOMINAL LBS
Pole Quantity1
Mounting Surface to Terminal End Distance2.000 INCHES MAXIMUM IN
Storage TypeGENERAL PURPOSE WAREHOUSE
Thread Quantity Per Inch32
Center to Center Distance Between Terminals Parallel to Length1.158 INCHES MINIMUM AND 1.218 INCHES MAXIMUM IN
Mounting Facility Type and Quantity2 THREADED HOLE(S)
Fragility FactorMODERATELY RUGGED
Special Handling FeatureMAGNETIC
Nominal Thread Size0.138 INCHES IN
Bushing Length0.235 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Body Length2.188 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
6210-00-063-1730CD2000LL101 INTERCHANGEABLE
Lens,light
U S Dept of Transportation Federal Aviation Administration
5935-00-100-59031996469-1 INTERCHANGEABLE
Connector,plug,electrical
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
5940-00-549-81772020B INTERCHANGEABLE
Terminal,stud
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5940-00-727-3107 INTERCHANGEABLE
Terminal,stud
2920-01-172-30261880040 INTERCHANGEABLE
Armature,ignition
Borgwarner Pds (anderson), L.l.c.
Cross-Reference Index
Part NumberManufacturer
BACC18G20 The Boeing Company Div Defense (USA)
2020B Te Connectivity Corporation (USA)
MP104A PRIMARY Safran Power Usa, Llc (USA)
1200-001-20 Safran Electrical & Power Usa, Llc Dba Labinal Power Sysyems Use CAGE Code 81640 for Cataloging (USA)
MP104 Safran Electrical & Power Usa, Llc Dba Labinal Power Sysyems Use CAGE Code 81640 for Cataloging (USA)
104-220-103 Wood Electric Operations Potter and Brumfield Div Amf Inc (USA)
104-220-103 Te Connectivity Corporation (USA)
1200-001-20 Safran Power Usa, Llc (USA)
Related Parts
6210-00-063-1730INTERCHANGEABLE
LENS,LIGHT
CD2000LL101
5935-00-100-5903INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1996469-1
5940-00-549-8177INTERCHANGEABLE
TERMINAL,STUD
2020B
5940-00-727-3107INTERCHANGEABLE
TERMINAL,STUD
2920-01-172-3026INTERCHANGEABLE
ARMATURE,IGNITION
1880040

Frequently Asked Questions

What is NSN 5925-00-173-3438?

NSN 5925-00-173-3438 is a Circuit Breaker, manufactured by Safran Power Usa, Llc, classified under FSC 5925 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5925-00-173-3438?

NSN 5925-00-173-3438 has 8 cross-referenced part numbers: BACC18G20 (The Boeing Company Div Defense), 2020B (Te Connectivity Corporation), MP104A (Safran Power Usa, Llc), 1200-001-20 (Safran Electrical & Power Usa, Llc Dba Labinal Power Sysyems Use CAGE Code 81640 for Cataloging), MP104 (Safran Electrical & Power Usa, Llc Dba Labinal Power Sysyems Use CAGE Code 81640 for Cataloging) and 3 more.

What NSN replaces 5925-00-173-3438?

There are 5 known substitutes for 5925-00-173-3438: 6210-00-063-1730, 5935-00-100-5903, 5940-00-549-8177 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MP104A?

Key specifications for MP104A: Actuator Function: TRIP-RESET; Actuator Position Designation: AT POLE ONE; Trip Delay Time in Seconds Per Rated Continuous Current: 5.000 MINIMUM AT 200 PCT AND 60.000 MAXIMUM AT 200 PCT SINGLE LOCATION; Nominal Thread Size: 0.138 INCHES IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5925-00-173-3438 still in active supply?

NSN 5925-00-173-3438 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.
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