PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5249Transformer,radio Frequency

Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit · NSN 5950-01-445-3555 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-445-3555 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-445-3555. Primary manufacturer part number: 5249.
Features
  • Transformer,radio Frequency — FSC 5950
  • Frequency Rating: 200.0 KILOHERTZ NOMINAL SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Inductance Rating: 640.00 MICROHENRIES MINIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Inclosure Type: FULLY INCLOSED
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL 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 5950-01-445-3555, 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 Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. Government technical data includes 8 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-445-3555
Primary Part Number5249
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTransistor Devices Inc Div Astrodyne Tdi High Power Business Unit
StatusACTIVE
Frequency Rating200.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Inductance Rating640.00 MICROHENRIES MINIMUM SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE PRIMARY
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Terminal Type and Quantity7 PIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4140-00-409-6785209-072-436-001 INTERCHANGEABLE
Fan,centrifugal
Bell Textron Inc
5905-00-593-82251225775 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-932-74955249 INTERCHANGEABLE
Packing,pump,distri
Rosco Mfg Co
5133-01-050-9904 INTERCHANGEABLE
Drill,twist
4820-01-142-0257 INTERCHANGEABLE
Valve,regulating,temperature
5340-01-297-18395249-1 INTERCHANGEABLE
Cap,protective,dust and Moisture
Transdigm Inc Div Adelwiggins Group
5120-01-486-2297 INTERCHANGEABLE
Handle,socket Wrench
Cross-Reference Index
Part NumberManufacturer
5249 PRIMARY Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA)
202501-1 Transistor Devices Inc Florida Div (USA)
Related Parts
4140-00-409-6785INTERCHANGEABLE
FAN,CENTRIFUGAL
209-072-436-001
5905-00-593-8225INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
1225775
5330-00-932-7495INTERCHANGEABLE
PACKING,PUMP,DISTRI
5249
5133-01-050-9904INTERCHANGEABLE
DRILL,TWIST
4820-01-142-0257INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
5340-01-297-1839INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
5249-1
5120-01-486-2297INTERCHANGEABLE
HANDLE,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5950-01-445-3555?

NSN 5950-01-445-3555 is a Transformer,radio Frequency, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-445-3555?

NSN 5950-01-445-3555 has 2 cross-referenced part numbers: 5249 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit), 202501-1 (Transistor Devices Inc Florida Div).

What NSN replaces 5950-01-445-3555?

There are 7 known substitutes for 5950-01-445-3555: 4140-00-409-6785, 5905-00-593-8225, 5330-00-932-7495 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5249?

Key specifications for 5249: Frequency Rating: 200.0 KILOHERTZ NOMINAL SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Inductance Rating: 640.00 MICROHENRIES MINIMUM SINGLE COMPONENT SINGLE PRIMARY. 8 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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