PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

165021-4Circuit Breaker

Raytheon Company · NSN 5925-00-952-0618 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-952-0618 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-952-0618. Primary manufacturer part number: 165021-4.
Features
  • Circuit Breaker — FSC 5925
  • Body Width: 2.250 INCHES NOMINAL IN
  • Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps: 1500.0 AC ALL LOCATIONS
  • Main Contact Tripping Mechanism Type: TRIP FREE
  • Terminal Type and Quantity: 6 SCREW
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Manual Actuator Type and Quantity: 3 TOGGLE
  • Maximum Continuous Load Current Rating Per Pole: 20.0 AMPERES AC FIRST LOCATION
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-952-0618, 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 Raytheon Company. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-00-952-0618
Primary Part Number165021-4
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerRaytheon Company
StatusACTIVE
Body Width2.250 INCHES NOMINAL IN
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps1500.0 AC ALL LOCATIONS
Main Contact Tripping Mechanism TypeTRIP FREE
Terminal Type and Quantity6 SCREW
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Manual Actuator Type and Quantity3 TOGGLE
Maximum Continuous Load Current Rating Per Pole20.0 AMPERES AC FIRST LOCATION
Trip Delay Time in Seconds Per Rated Continuous Current0.250 MINIMUM AT 200 PCT AND 1.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Operating Voltage Type and Rating Per Pole in Volts115.0 AC ALL LOCATIONS
External Actuator Linkage ArrangementONE, TWO, AND THREE LINKED
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent150.0 ALL LOCATIONS
Maximum Continuous Load Current Rating Per Pole20.0 AMPERES AC SECOND LOCATION
Actuator Position DesignationAT EACH POLE
Actuator FunctionTRIP-RESET
Inclosure Protection Type for Which DesignedFUNGUS RESISTANT
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Internal Trip Release ConfigurationSERIES TRIP ALL LOCATIONS
Reset MethodMANUAL
MaterialPLASTIC CASE
Trip Release MethodMAGNETIC ALL LOCATIONS
Maximum Continuous Load Current Rating Per Pole28.0 AMPERES AC THIRD LOCATION
Nominal Thread Size0.138 INCHES IN
Frequency in Hertz400.0 ALL LOCATIONS
Storage TypeGENERAL PURPOSE WAREHOUSE
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.750 INCHES NOMINAL IN
Mounting Facility Type and Quantity6 THREADED HOLE(S)
Distance Between Centerlines of Mounting Facilities Parallel to Body Length1.812 INCHES NOMINAL IN
Thread Quantity Per Inch32
Center to Center Distance Between Terminals Parallel to Length1.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-552-5117013-1028-47-9 INTERCHANGEABLE
Terminal,stud
Itt Cannon Rf Products
1620-00-679-1640761002 INTERCHANGEABLE
Jack Point,landing Gear
Lockheed Martin Corp
6515-01-710-300660707010300 INTERCHANGEABLE
Cuff,tourniquet,pneumatic
Zimmer Us Inc Dba Zimmer Us, Inc
Cross-Reference Index
Part NumberManufacturer
76-100-2 Eaton Corp Heinemann Products Commercial Controls Div (USA)
165021-4 PRIMARY Raytheon Company (USA)
Related Parts
5940-00-552-5117INTERCHANGEABLE
TERMINAL,STUD
013-1028-47-9
1620-00-679-1640INTERCHANGEABLE
JACK POINT,LANDING GEAR
761002
6515-01-710-3006INTERCHANGEABLE
CUFF,TOURNIQUET,PNEUMATIC
60707010300

Frequently Asked Questions

What is NSN 5925-00-952-0618?

NSN 5925-00-952-0618 is a Circuit Breaker, manufactured by Raytheon Company, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-00-952-0618?

NSN 5925-00-952-0618 has 2 cross-referenced part numbers: 76-100-2 (Eaton Corp Heinemann Products Commercial Controls Div), 165021-4 (Raytheon Company).

What NSN replaces 5925-00-952-0618?

There are 3 known substitutes for 5925-00-952-0618: 5940-00-552-5117, 1620-00-679-1640, 6515-01-710-3006. Verify interchangeability with system specifications before substitution.

What are the specifications of 165021-4?

Key specifications for 165021-4: Body Width: 2.250 INCHES NOMINAL IN; Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps: 1500.0 AC ALL LOCATIONS; Main Contact Tripping Mechanism Type: TRIP FREE; Terminal Type and Quantity: 6 SCREW. 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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