PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3930Reactor

Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division · NSN 5950-01-369-9019 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-369-9019 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-369-9019. Primary manufacturer part number: 3930.
Features
  • Reactor — FSC 5950
  • Terminal Type and Quantity: 2 WIRE LEAD
  • Body Height: 1.250 INCHES MAXIMUM IN
  • Winding Operating Current: 27.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Inductance Rating: 194.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Reliability Indicator: NOT ESTABLISHED
  • Features Provided: TINNED WIRE LEADS
  • Winding Quantity: 1 SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-01-369-9019, 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 Dba Fernwood Magnetics Div Div Circuitek Division. Government technical data includes 18 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-369-9019
Primary Part Number3930
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTransistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division
StatusACTIVE
Terminal Type and Quantity2 WIRE LEAD
Body Height1.250 INCHES MAXIMUM IN
Winding Operating Current27.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inductance Rating194.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Features ProvidedTINNED WIRE LEADS
Winding Quantity1 SINGLE COMPONENT
Body Width2.500 INCHES MAXIMUM IN
Body Length2.500 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.850 INCHES NOMINAL ALL MOUNTING FACILITIES ALL CENTER GROUPINGS IN
Distance Between Mounting Facility Centers1.850 INCHES NOMINAL ALL MOUNTING FACILITIES ALL CENTER GROUPINGS IN
Maximum Operating Temp85.0 CELSIUS DEGC
Center to Center Distance Between Mounting Facilities Parallel to Width1.850 INCHES NOMINAL ALL MOUNTING FACILITIES ALL CENTER GROUPINGS IN
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Inductance TypeFIXED
DC Resistance Rating in Ohms0.015 SINGLE COMPONENT SINGLE WINDING
Specification/standard Data09004-36440 MANUFACTURERS SOURCE CONTROL
Inclosure TypeOPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-021-8812 INTERCHANGEABLE
Contact,electrical
6240-00-045-4588 INTERCHANGEABLE
Lamp,cartridge
5905-00-135-6057995-2A200 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5355-00-160-6850SCB107852 INTERCHANGEABLE
Knob
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
9390-00-165-5988 INTERCHANGEABLE
Tape,reflective
4030-00-350-8963342C427H01 INTERCHANGEABLE
Clamp,wire Rope,saddled
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6680-00-399-27187110 INTERCHANGEABLE
Barrel,pump
King Engineering Corporation Dba King-Gage Systems
5935-00-417-3259292147-24-4 INTERCHANGEABLE
Connector,plug,electrical
Coaxial Components Corp. Dba Coaxial Components Corp
5342-00-468-5402 INTERCHANGEABLE
Spring Brake Releas
5999-00-702-547439-30 INTERCHANGEABLE
Delay Line
Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
Cross-Reference Index
Part NumberManufacturer
36440 Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA)
3930 PRIMARY Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division (USA)
Related Parts
5999-00-021-8812INTERCHANGEABLE
CONTACT,ELECTRICAL
6240-00-045-4588INTERCHANGEABLE
LAMP,CARTRIDGE
5905-00-135-6057INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
995-2A200
5355-00-160-6850INTERCHANGEABLE
KNOB
SCB107852
9390-00-165-5988INTERCHANGEABLE
TAPE,REFLECTIVE
4030-00-350-8963INTERCHANGEABLE
CLAMP,WIRE ROPE,SADDLED
342C427H01
6680-00-399-2718INTERCHANGEABLE
BARREL,PUMP
7110
5935-00-417-3259INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
292147-24-4
5342-00-468-5402INTERCHANGEABLE
SPRING BRAKE RELEAS
5999-00-702-5474INTERCHANGEABLE
DELAY LINE
39-30
5975-01-009-7677INTERCHANGEABLE
HUB,CONDUIT
3930
5950-01-163-9264INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 5950-01-369-9019?

NSN 5950-01-369-9019 is a Reactor, manufactured by Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-369-9019?

NSN 5950-01-369-9019 has 2 cross-referenced part numbers: 36440 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit), 3930 (Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division).

What NSN replaces 5950-01-369-9019?

There are 12 known substitutes for 5950-01-369-9019: 5999-00-021-8812, 6240-00-045-4588, 5905-00-135-6057 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3930?

Key specifications for 3930: Terminal Type and Quantity: 2 WIRE LEAD; Body Height: 1.250 INCHES MAXIMUM IN; Winding Operating Current: 27.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE WINDING; Inductance Rating: 194.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING. 18 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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