PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10047Circuit Breaker

Ap Labs, Inc. · NSN 5925-01-485-9638 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-485-9638 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-485-9638. Primary manufacturer part number: 10047.
Features
  • Circuit Breaker — FSC 5925
  • Trip Release Method: MAGNETIC ALL LOCATIONS
  • Frequency in Hertz: 400.0 ALL LOCATIONS
  • Thread Series Designator: UNEF
  • Reset Method: MANUAL
  • Test Data Document: 81349-MIL-PRF-39019 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Specification/standard Data: 81349-MIL-PRF-39019/3 GOVERNMENT SPECIFICATION
  • Inclosure Protection Type for Which Designed: DUSTPROOF AND FUNGUS PROOF AND HERMETICALLY SEALED AND MOISTURE PROOF
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-485-9638, 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 Ap Labs, Inc.. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-485-9638
Primary Part Number10047
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerAp Labs, Inc.
StatusACTIVE
Trip Release MethodMAGNETIC ALL LOCATIONS
Frequency in Hertz400.0 ALL LOCATIONS
Thread Series DesignatorUNEF
Reset MethodMANUAL
Test Data Document81349-MIL-PRF-39019 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Specification/standard Data81349-MIL-PRF-39019/3 GOVERNMENT SPECIFICATION
Inclosure Protection Type for Which DesignedDUSTPROOF AND FUNGUS PROOF AND HERMETICALLY SEALED AND MOISTURE PROOF
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 ALL LOCATIONS
Operating Voltage Type and Rating Per Pole in Volts240.0 AC AND 50.0 DC ALL LOCATIONS
Terminal Type and Quantity4 SCREW
Maximum Continuous Load Current Rating Per Pole10.0 AMPERES AC AND 10.0 AMPERES DC ALL LOCATIONS
Circuit Protection TypeREVERSE PHASE ALL LOCATIONS
Main Contact Tripping Mechanism TypeTRIP FREE
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Thread Quantity Per Inch32
Fragility FactorMODERATELY RUGGED
Arc Quenching MethodMAGNETIC BLOWOUT
Center to Center Distance Between Terminals Parallel to Width0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
Mounting Facility Type and Quantity1 THREADED BUSHING WITH PANEL SEAL
Mounting Surface to Terminal End Distance1.828 INCHES MAXIMUM IN
Pole Quantity2
Storage TypeGENERAL PURPOSE WAREHOUSE
Center to Center Distance Between Terminals Parallel to Length0.906 INCHES MAXIMUM IN
Special Handling FeatureMAGNETIC
Body Length1.562 INCHES MAXIMUM IN
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps300.0 AC AND 500.0 DC ALL LOCATIONS
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Bushing Length0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
Trip Delay Time in Seconds Per Rated Continuous Current0.055 MINIMUM AT 200 PCT AND 0.950 MAXIMUM AT 200 PCT ALL LOCATIONS
Actuator Position DesignationBETWEEN POLE ONE AND TWO
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5133-00-228-1334 INTERCHANGEABLE
Drill,twist
2920-00-360-810010047 INTERCHANGEABLE
Spring Set,helical,
Am General Llc
6110-00-845-020610047 INTERCHANGEABLE
Starter,motor
Celtech Corporation Div Use CAGE 65552 for All Orders
5999-00-958-675910540766 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5999-01-169-3591922836-2C INTERCHANGEABLE
Contact,electrical
Raytheon Company Dba Raytheon
5330-01-220-13994063771 INTERCHANGEABLE
Gasket
Eaton Corporation Div Fed
6532-01-363-054110047 INTERCHANGEABLE
Coat,medical Attendant's
Avanos Medical Inc
5310-01-515-419810047 INTERCHANGEABLE
Nut,clip-on
Auto Vehicle Parts Co Dba Au-Ve-Co
5310-01-541-828910047 INTERCHANGEABLE
Washer,lock
Finn Corp Dba Finn Corp
Cross-Reference Index
Part NumberManufacturer
10047 Ap Labs, Inc. (USA)
927439-0013 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
M39019/03-055S Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-39019/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39019/03-248S Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5133-00-228-1334INTERCHANGEABLE
DRILL,TWIST
2920-00-360-8100INTERCHANGEABLE
SPRING SET,HELICAL,
10047
6110-00-845-0206INTERCHANGEABLE
STARTER,MOTOR
10047
5999-00-958-6759INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
10540766
5999-01-169-3591INTERCHANGEABLE
CONTACT,ELECTRICAL
922836-2C
5330-01-220-1399INTERCHANGEABLE
GASKET
4063771
6532-01-363-0541INTERCHANGEABLE
COAT,MEDICAL ATTENDANT'S
10047
5310-01-515-4198INTERCHANGEABLE
NUT,CLIP-ON
10047
5310-01-541-8289INTERCHANGEABLE
WASHER,LOCK
10047

Frequently Asked Questions

What is NSN 5925-01-485-9638?

NSN 5925-01-485-9638 is a Circuit Breaker, manufactured by Ap Labs, Inc., classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-485-9638?

NSN 5925-01-485-9638 has 5 cross-referenced part numbers: 10047 (Ap Labs, Inc.), 927439-0013 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), M39019/03-055S (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-39019/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39019/03-248S (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5925-01-485-9638?

There are 9 known substitutes for 5925-01-485-9638: 5133-00-228-1334, 2920-00-360-8100, 6110-00-845-0206 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10047?

Key specifications for 10047: Trip Release Method: MAGNETIC ALL LOCATIONS; Frequency in Hertz: 400.0 ALL LOCATIONS; Thread Series Designator: UNEF; Reset Method: MANUAL. 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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