PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA55571/01-003Circuit Breaker

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5925-01-431-3138 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-431-3138 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-431-3138. Primary manufacturer part number: AA55571/01-003.
Features
  • Circuit Breaker — FSC 5925
  • Circuit Protection Type: OVERCURRENT SINGLE LOCATION
  • Material: PLASTIC CASE
  • Trip Release Ambient Temp Rating: 25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
  • Reset Method: AUTOMATIC
  • Trip Release Characteristic: TIME DELAY SINGLE LOCATION
  • Body Style: SINGLE POLE TYPE
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 1.566 INCHES MINIMUM AND 1.582 INCHES MAXIMUM IN
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-431-3138, 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 Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-431-3138
Primary Part NumberAA55571/01-003
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
MaterialPLASTIC CASE
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
Reset MethodAUTOMATIC
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Body StyleSINGLE POLE TYPE
Distance Between Centerlines of Mounting Facilities Parallel to Body Width1.566 INCHES MINIMUM AND 1.582 INCHES MAXIMUM IN
Fragility FactorMODERATELY RUGGED
Unthreaded Mounting Hole Diameter0.174 INCHES NOMINAL IN
Pole Quantity1
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Storage TypeGENERAL PURPOSE WAREHOUSE
Center to Center Distance Between Terminals Parallel to Length0.625 INCHES NOMINAL IN
Inclosure Protection Type for Which DesignedWATERPROOF AND VIBRATION RESISTANT AND SHOCK RESISTANT AND SALT SPRAY PROOF AND FUNGUS RESISTANT
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Terminal Type and Quantity2 QUICK DISCONNECT, FEMALE
Trip Delay Time in Seconds Per Rated Continuous Current8.000 MINIMUM AT 200 PCT AND 50.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps575.0 DC SINGLE LOCATION
Body Length2.000 INCHES NOMINAL IN
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent138.0 SINGLE LOCATION
Unpackaged Unit Weight2.250 OUNCES NOMINAL OZ
Operating Voltage Type and Rating Per Pole in Volts30.0 DC SINGLE LOCATION
Body Height1.875 INCHES NOMINAL IN
Trip Release MethodTHERMAL SINGLE LOCATION
Maximum Continuous Load Current Rating Per Pole25.0 AMPERES DC SINGLE LOCATION
Body Width1.813 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5925-00-026-4767 INTERCHANGEABLE
Circuit Breaker
5925-00-333-1584 INTERCHANGEABLE
Circuit Breaker
5925-00-803-4424 INTERCHANGEABLE
Circuit Breaker
5925-00-954-9289 INTERCHANGEABLE
Circuit Breaker
5925-01-430-2318 INTERCHANGEABLE
Circuit Breaker
Cross-Reference Index
Part NumberManufacturer
AA55571/01-003 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS39062-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
9115-5-25 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
A-A-55571/1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MIL-C-13516/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-55571/01 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5925-00-026-4767INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-333-1584INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-803-4424INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-954-9289INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-430-2318INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 5925-01-431-3138?

NSN 5925-01-431-3138 is a Circuit Breaker, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-431-3138?

NSN 5925-01-431-3138 has 6 cross-referenced part numbers: AA55571/01-003 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MS39062-3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 9115-5-25 (Sensata Technologies, Inc. Div Sensata Attleboro), A-A-55571/1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MIL-C-13516/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5925-01-431-3138?

There are 5 known substitutes for 5925-01-431-3138: 5925-00-026-4767, 5925-00-333-1584, 5925-00-803-4424 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA55571/01-003?

Key specifications for AA55571/01-003: Circuit Protection Type: OVERCURRENT SINGLE LOCATION; Material: PLASTIC CASE; Trip Release Ambient Temp Rating: 25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC; Reset Method: AUTOMATIC. 26 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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