PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

666755-2Transformer,radio Frequency

Raytheon Company Dba Raytheon · NSN 5950-00-459-1434 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-459-1434 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-459-1434. Primary manufacturer part number: 666755-2.
Features
  • Transformer,radio Frequency — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE PRIMARY
  • Features Provided: TINNED WIRE LEADS
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE SECONDARY
  • Body Outside Diameter: 0.380 INCHES NOMINAL IN
  • Body Length: 0.440 INCHES NOMINAL IN
  • Frequency Rating: 25.0 MEGAHERTZ NOMINAL SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-459-1434, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-459-1434
Primary Part Number666755-2
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE PRIMARY
Features ProvidedTINNED WIRE LEADS
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE SECONDARY
Body Outside Diameter0.380 INCHES NOMINAL IN
Body Length0.440 INCHES NOMINAL IN
Frequency Rating25.0 MEGAHERTZ NOMINAL SINGLE COMPONENT
Coil Form TypeHOLLOW SINGLE COMPONENT
Terminal Type and Quantity4 WIRE LEAD
Inductance Rating0.15 MICROHENRIES MINIMUM AND 0.20 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeFULLY INCLOSED
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Inductance Rating0.54 MICROHENRIES MINIMUM AND 0.73 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5340-00-350-5643 INTERCHANGEABLE
Spring Helical Comp
5331-00-871-6848 INTERCHANGEABLE
O-Ring
6150-01-093-4991 INTERCHANGEABLE
Bus,conductor
5995-01-233-9210401272 INTERCHANGEABLE
Wiring Harness
Dictaphone Corporation
5331-01-424-4581401272 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division
Cross-Reference Index
Part NumberManufacturer
666755-2 PRIMARY Raytheon Company Dba Raytheon (USA)
CS6766 Coil Specialty Company, Inc. (USA)
40127-2 Coast/advanced Chip Magnetics, Inc. (USA)
Related Parts
5340-00-350-5643INTERCHANGEABLE
SPRING HELICAL COMP
5331-00-871-6848INTERCHANGEABLE
O-RING
6150-01-093-4991INTERCHANGEABLE
BUS,CONDUCTOR
5995-01-233-9210INTERCHANGEABLE
WIRING HARNESS
401272
5331-01-424-4581INTERCHANGEABLE
O-RING
401272

Frequently Asked Questions

What is NSN 5950-00-459-1434?

NSN 5950-00-459-1434 is a Transformer,radio Frequency, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-459-1434?

NSN 5950-00-459-1434 has 3 cross-referenced part numbers: 666755-2 (Raytheon Company Dba Raytheon), CS6766 (Coil Specialty Company, Inc.), 40127-2 (Coast/advanced Chip Magnetics, Inc.).

What NSN replaces 5950-00-459-1434?

There are 5 known substitutes for 5950-00-459-1434: 5340-00-350-5643, 5331-00-871-6848, 6150-01-093-4991 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 666755-2?

Key specifications for 666755-2: Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE PRIMARY; Features Provided: TINNED WIRE LEADS; Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE SECONDARY. 16 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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