PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10527-3Circuit Breaker

Alliant Techsystems Operations Llc Div Defense Electronic Systems · NSN 5925-01-099-9538 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-099-9538 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-099-9538. Primary manufacturer part number: 10527-3.
Features
  • Circuit Breaker — FSC 5925
  • Trip Release Method: MAGNETIC ALL LOCATIONS
  • Frequency in Hertz: 400.0 ALL LOCATIONS
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 115.0 ALL LOCATIONS
  • Manual Actuator Type and Quantity: 1 TOGGLE
  • Nominal Thread Size: 0.375 INCHES IN
  • Main Contact Tripping Mechanism Type: TRIP FREE
  • Terminal Type and Quantity: 4 WIRE HOOK
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-099-9538, 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 Alliant Techsystems Operations Llc Div Defense Electronic Systems. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-099-9538
Primary Part Number10527-3
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerAlliant Techsystems Operations Llc Div Defense Electronic Systems
StatusACTIVE
Trip Release MethodMAGNETIC ALL LOCATIONS
Frequency in Hertz400.0 ALL LOCATIONS
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent115.0 ALL LOCATIONS
Manual Actuator Type and Quantity1 TOGGLE
Nominal Thread Size0.375 INCHES IN
Main Contact Tripping Mechanism TypeTRIP FREE
Terminal Type and Quantity4 WIRE HOOK
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps1000.0 AC AND 1000.0 DC ALL LOCATIONS
Actuator FunctionTRIP-RESET
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Inclosure Protection Type for Which DesignedCORROSION RESISTANT AND HERMETICALLY SEALED AND HUMIDITY RESISTANT AND SALT SPRAY PROOF AND SHOCK RESISTANT
Thread Series DesignatorUNEF
Internal Trip Release ConfigurationSERIES TRIP ALL LOCATIONS
Maximum Continuous Load Current Rating Per Pole1.5 AMPERES AC AND 1.5 AMPERES DC ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Operating Voltage Type and Rating Per Pole in Volts240.0 AC AND 50.0 DC ALL LOCATIONS
Actuator Position DesignationBETWEEN POLE ONE AND TWO
Reset MethodMANUAL
Trip Delay Time in Seconds Per Rated Continuous Current0.055 MINIMUM AT 200 PCT AND 0.950 MAXIMUM AT 200 PCT ALL LOCATIONS
Special Handling FeatureMAGNETIC
Pole Quantity2
Fragility FactorMODERATELY RUGGED
Thread Quantity Per Inch32
Mounting Surface to Terminal End Distance1.780 INCHES MAXIMUM IN
Center to Center Distance Between Terminals Parallel to Width0.625 INCHES NOMINAL IN
Mounting Facility Type and Quantity1 THREADED BUSHING WITH PANEL SEAL
Center to Center Distance Between Terminals Parallel to Length0.875 INCHES NOMINAL IN
Storage TypeGENERAL PURPOSE WAREHOUSE
Bushing Length0.380 INCHES MAXIMUM IN
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2920-01-293-2862105-273 INTERCHANGEABLE
Regulator,engine Generator
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
10527-3 PRIMARY Alliant Techsystems Operations Llc Div Defense Electronic Systems (USA)
AP12-2508-3 Sensata Technologies Maryland, Inc (USA)
Related Parts
2920-01-293-2862INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
105-273

Frequently Asked Questions

What is NSN 5925-01-099-9538?

NSN 5925-01-099-9538 is a Circuit Breaker, manufactured by Alliant Techsystems Operations Llc Div Defense Electronic Systems, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-099-9538?

NSN 5925-01-099-9538 has 2 cross-referenced part numbers: 10527-3 (Alliant Techsystems Operations Llc Div Defense Electronic Systems), AP12-2508-3 (Sensata Technologies Maryland, Inc).

What NSN replaces 5925-01-099-9538?

There is 1 known substitute for 5925-01-099-9538: 2920-01-293-2862. Verify interchangeability with system specifications before substitution.

What are the specifications of 10527-3?

Key specifications for 10527-3: Trip Release Method: MAGNETIC ALL LOCATIONS; Frequency in Hertz: 400.0 ALL LOCATIONS; Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 115.0 ALL LOCATIONS; Manual Actuator Type and Quantity: 1 TOGGLE. 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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