PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-55571/7Circuit Breaker

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5925-01-430-4757 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-430-4757 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-430-4757. Primary manufacturer part number: A-A-55571/7.
Features
  • Circuit Breaker — FSC 5925
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 138.0 SINGLE LOCATION
  • Trip Delay Time in Seconds Per Rated Continuous Current: 8.000 MINIMUM AT 200 PCT AND 50.000 MAXIMUM AT 200 PCT SINGLE LOCATION
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Center to Center Distance Between Terminals Parallel to Length: 1.060 INCHES NOMINAL IN
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 2.406 INCHES NOMINAL IN
  • Unthreaded Mounting Hole Diameter: 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
  • Storage Type: GENERAL PURPOSE WAREHOUSE
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-430-4757, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-430-4757
Primary Part NumberA-A-55571/7
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent138.0 SINGLE LOCATION
Trip Delay Time in Seconds Per Rated Continuous Current8.000 MINIMUM AT 200 PCT AND 50.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Center to Center Distance Between Terminals Parallel to Length1.060 INCHES NOMINAL IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Length2.406 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
Storage TypeGENERAL PURPOSE WAREHOUSE
Fragility FactorMODERATELY RUGGED
Pole Quantity1
Mounting Surface to Terminal End Distance2.000 INCHES MAXIMUM IN
Trip Release MethodTHERMAL SINGLE LOCATION
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps575.0 DC SINGLE LOCATION
MaterialPLASTIC CASE
Body StyleSINGLE POLE TYPE
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
Operating Voltage Type and Rating Per Pole in Volts28.0 DC SINGLE LOCATION
Reset MethodAUTOMATIC
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Terminal Type and Quantity2 THREADED STUD
Inclosure Protection Type for Which DesignedVIBRATION RESISTANT AND SHOCK RESISTANT AND SALT SPRAY PROOF AND FUNGUS RESISTANT
Maximum Continuous Load Current Rating Per Pole80.0 AMPERES DC SINGLE LOCATION
Body Width1.880 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5925-00-109-1785 INTERCHANGEABLE
Circuit Breaker
5925-00-173-7634 INTERCHANGEABLE
Circuit Breaker
5925-00-247-2076 INTERCHANGEABLE
Circuit Breaker
5925-00-295-5460 INTERCHANGEABLE
Circuit Breaker
5925-00-333-1584 INTERCHANGEABLE
Circuit Breaker
5925-00-350-4480 INTERCHANGEABLE
Circuit Breaker
5925-00-443-7811 INTERCHANGEABLE
Circuit Breaker
5925-00-700-8674 INTERCHANGEABLE
Circuit Breaker
5925-00-708-8769 INTERCHANGEABLE
Circuit Breaker
5925-00-709-9437 INTERCHANGEABLE
Circuit Breaker
Cross-Reference Index
Part NumberManufacturer
A-A-55571/7 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA55571 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
PDLA-80 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
AA55571/07-007 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5925-00-109-1785INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-173-7634INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-247-2076INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-295-5460INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-333-1584INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-350-4480INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-443-7811INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-700-8674INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-708-8769INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-709-9437INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-803-4424INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-092-9694INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 5925-01-430-4757?

NSN 5925-01-430-4757 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 5925-01-430-4757?

NSN 5925-01-430-4757 has 4 cross-referenced part numbers: A-A-55571/7 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA55571 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), PDLA-80 (Sensata Technologies, Inc. Div Sensata Attleboro), AA55571/07-007 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 5925-01-430-4757?

There are 12 known substitutes for 5925-01-430-4757: 5925-00-109-1785, 5925-00-173-7634, 5925-00-247-2076 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-55571/7?

Key specifications for A-A-55571/7: Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 138.0 SINGLE LOCATION; Trip Delay Time in Seconds Per Rated Continuous Current: 8.000 MINIMUM AT 200 PCT AND 50.000 MAXIMUM AT 200 PCT SINGLE LOCATION; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Center to Center Distance Between Terminals Parallel to Length: 1.060 INCHES NOMINAL IN. 25 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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