PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

666745-1Reactor

Raytheon Company Dba Raytheon · NSN 5950-00-163-2112 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-163-2112 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-163-2112. Primary manufacturer part number: 666745-1.
Features
  • Reactor — FSC 5950
  • Terminal Type and Quantity: 2 PIN
  • Winding Operating Current: 4.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Body Width: 0.531 INCHES MAXIMUM IN
  • Reliability Indicator: NOT ESTABLISHED
  • Test Data Document: 96214-666745 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • Winding Quantity: 1 SINGLE COMPONENT
  • Maximum Operating Temp: 105.0 CELSIUS DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-163-2112, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Raytheon Company Dba Raytheon. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-163-2112
Primary Part Number666745-1
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Terminal Type and Quantity2 PIN
Winding Operating Current4.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Body Width0.531 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Test Data Document96214-666745 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Winding Quantity1 SINGLE COMPONENT
Maximum Operating Temp105.0 CELSIUS DEGC
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Body Height0.531 INCHES MAXIMUM IN
DC Resistance Rating in Ohms197.000 SINGLE COMPONENT SINGLE WINDING
Mounting MethodTERMINAL SINGLE GROUP
Inductance TypeFIXED
Inclosure TypeFULLY INCLOSED
Frequency Rating3.6 KILOHERTZ NOMINAL SINGLE COMPONENT
Winding Conductor Size0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
Inductance Rating480.00 MILLIHENRIES MINIMUM AND 780.00 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
Body Length0.594 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5998-00-066-659143929 INTERCHANGEABLE
Circuit Card Assembly
L3harris Technologies, Inc. Div Space and Airborne Systems
5950-00-163-2175666746-1 INTERCHANGEABLE
Transformer,audio Frequency
Raytheon Company Dba Raytheon
6665-01-242-831543151 INTERCHANGEABLE
Indicator,radiac
Mirion Technologies (canberra), Inc.
5950-01-301-6945367459-1 INTERCHANGEABLE
Transformer,pulse
Raytheon Company Dba Raytheon
6110-01-601-817643151 INTERCHANGEABLE
Panel,power Bus,circuit Breaker
Fleet Readiness Center East Div Department of Navy
4920-01-669-103943929 INTERCHANGEABLE
Console,interface Test Unit
Power Test, Llc
Cross-Reference Index
Part NumberManufacturer
43929 Freed Transformer Co (USA)
43151 Coast/advanced Chip Magnetics, Inc. (USA)
PEI 7251 Precision Electronics, Inc (USA)
666745-1 PRIMARY Raytheon Company Dba Raytheon (USA)
Related Parts
5998-00-066-6591INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
43929
5950-00-163-2175INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
666746-1
6665-01-242-8315INTERCHANGEABLE
INDICATOR,RADIAC
43151
5950-01-301-6945INTERCHANGEABLE
TRANSFORMER,PULSE
367459-1
6110-01-601-8176INTERCHANGEABLE
PANEL,POWER BUS,CIRCUIT BREAKER
43151
4920-01-669-1039INTERCHANGEABLE
CONSOLE,INTERFACE TEST UNIT
43929

Frequently Asked Questions

What is NSN 5950-00-163-2112?

NSN 5950-00-163-2112 is a Reactor, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-163-2112?

NSN 5950-00-163-2112 has 4 cross-referenced part numbers: 43929 (Freed Transformer Co), 43151 (Coast/advanced Chip Magnetics, Inc.), PEI 7251 (Precision Electronics, Inc), 666745-1 (Raytheon Company Dba Raytheon).

What NSN replaces 5950-00-163-2112?

There are 6 known substitutes for 5950-00-163-2112: 5998-00-066-6591, 5950-00-163-2175, 6665-01-242-8315 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 666745-1?

Key specifications for 666745-1: Terminal Type and Quantity: 2 PIN; Winding Operating Current: 4.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING; Body Width: 0.531 INCHES MAXIMUM IN; Reliability Indicator: NOT ESTABLISHED. 17 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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