PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

219-1-1REC4-52F-2-8-25Circuit Breaker

Sensata Technologies Maryland, Inc · NSN 5925-01-503-1740 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-503-1740 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-503-1740. Primary manufacturer part number: 219-1-1REC4-52F-2-8-25.
Features
  • Circuit Breaker — FSC 5925
  • Circuit Protection Type: OVERCURRENT SINGLE LOCATION
  • Body Width: 1.026 INCHES NOMINAL IN
  • Operating Voltage Type and Rating Per Pole in Volts: 125.00 DC SINGLE LOCATION
  • Terminal Type and Quantity: 2 THREADED STUD
  • Material: PLASTIC CASE
  • Internal Trip Release Configuration: SERIES TRIP W/AUXILIARY LOAD TERMINAL SINGLE LOCATION
  • Trip Delay Time in Seconds Per Rated Continuous Current: 80.000 MAXIMUM AT 125 PCT SINGLE LOCATION
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-503-1740, 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 Sensata Technologies Maryland, Inc. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-503-1740
Primary Part Number219-1-1REC4-52F-2-8-25
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerSensata Technologies Maryland, Inc
StatusACTIVE
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Body Width1.026 INCHES NOMINAL IN
Operating Voltage Type and Rating Per Pole in Volts125.00 DC SINGLE LOCATION
Terminal Type and Quantity2 THREADED STUD
MaterialPLASTIC CASE
Internal Trip Release ConfigurationSERIES TRIP W/AUXILIARY LOAD TERMINAL SINGLE LOCATION
Trip Delay Time in Seconds Per Rated Continuous Current80.000 MAXIMUM AT 125 PCT SINGLE LOCATION
Reset MethodMANUAL
Manual Actuator Type and Quantity1 TOGGLE
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Trip Release MethodMAGNETIC-HYDRAULIC SINGLE LOCATION
Mounting Surface to Terminal End Distance3.550 INCHES NOMINAL IN
Pole Quantity1
Boss Height0.220 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.156 INCHES NOMINAL IN
Center to Center Distance Between Terminals Parallel to Length3.550 INCHES NOMINAL IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Length2.750 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Body StyleSINGLE POLE TYPE
Main Contact Tripping Mechanism TypeNONTRIP FREE
Body Length5.125 INCHES NOMINAL IN
Maximum Continuous Load Current Rating Per Pole25.0 AMPERES DC SINGLE LOCATION
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 SINGLE LOCATION
Ultimate Trip Time Per Pole in Seconds80.000 MAXIMUM SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps5000.0 DC SINGLE LOCATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6230-00-472-60458160 INTERCHANGEABLE
Guard,lamp
Mcgill Manufacturing Co, Inc
7690-01-504-2228100102-1 INTERCHANGEABLE
Marker,identification
Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
6620-01-641-759210-01021 INTERCHANGEABLE
Indicator,electrical Tachometer
Irwin International, Inc. Dba Irwin International Inc
Cross-Reference Index
Part NumberManufacturer
10-01021 Sierra Nevada Company, Llc (USA)
219-1-1REC4-52F-2-8-25 PRIMARY Sensata Technologies Maryland, Inc (USA)
10-01021-01 PRIMARY Sierra Nevada Company, Llc (USA)
Related Parts
6230-00-472-6045INTERCHANGEABLE
GUARD,LAMP
8160
7690-01-504-2228INTERCHANGEABLE
MARKER,IDENTIFICATION
100102-1
6620-01-641-7592INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
10-01021

Frequently Asked Questions

What is NSN 5925-01-503-1740?

NSN 5925-01-503-1740 is a Circuit Breaker, manufactured by Sensata Technologies Maryland, Inc, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-503-1740?

NSN 5925-01-503-1740 has 3 cross-referenced part numbers: 10-01021 (Sierra Nevada Company, Llc), 219-1-1REC4-52F-2-8-25 (Sensata Technologies Maryland, Inc), 10-01021-01 (Sierra Nevada Company, Llc).

What NSN replaces 5925-01-503-1740?

There are 3 known substitutes for 5925-01-503-1740: 6230-00-472-6045, 7690-01-504-2228, 6620-01-641-7592. Verify interchangeability with system specifications before substitution.

What are the specifications of 219-1-1REC4-52F-2-8-25?

Key specifications for 219-1-1REC4-52F-2-8-25: Circuit Protection Type: OVERCURRENT SINGLE LOCATION; Body Width: 1.026 INCHES NOMINAL IN; Operating Voltage Type and Rating Per Pole in Volts: 125.00 DC SINGLE LOCATION; Terminal Type and Quantity: 2 THREADED STUD. 27 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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