PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3908Transformer,current

Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division · NSN 5950-01-369-8392 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-369-8392 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-369-8392. Primary manufacturer part number: 3908.
Features
  • Transformer,current — FSC 5950
  • Inclosure Type: OPEN
  • Body Outside Diameter: 0.800 INCHES MAXIMUM IN
  • Body Height: 0.450 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 4 WIRE LEAD
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Frequency Rating: 15.0 KILOHERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM ALL COMPONENTS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,current, cataloged under National Stock Number 5950-01-369-8392, 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 10 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
NSN5950-01-369-8392
Primary Part Number3908
Item NameTransformer,current
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTransistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division
StatusACTIVE
Inclosure TypeOPEN
Body Outside Diameter0.800 INCHES MAXIMUM IN
Body Height0.450 INCHES MAXIMUM IN
Terminal Type and Quantity4 WIRE LEAD
Reliability IndicatorNOT ESTABLISHED
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Frequency Rating15.0 KILOHERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM ALL COMPONENTS
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Facility Quantity1 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-087-4058666163-343 INTERCHANGEABLE
Transformer,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
3110-00-156-187572-6970-963 INTERCHANGEABLE
Bearing,ball,thrust
Fairbanks Morse, Llc
5940-00-271-7258 INTERCHANGEABLE
Terminal,lug
5331-00-288-1963C1124-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-808-079410596841-5 INTERCHANGEABLE
O-Ring
Us Army Aviation and Missile Command
6640-00-861-6209 INTERCHANGEABLE
Burner Cap and Grid
5910-01-046-7002913924-1 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Raytheon Company Dba Raytheon Co
5306-01-256-69593672-4 INTERCHANGEABLE
Bolt,nut,washer
Lake Shore Systems, Inc.
5935-01-273-29053908 INTERCHANGEABLE
Jack,telephone
International Research Associates Inc.
5330-01-275-2602 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
36724 Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA)
3908 PRIMARY Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division (USA)
Related Parts
5950-00-087-4058INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
666163-343
3110-00-156-1875INTERCHANGEABLE
BEARING,BALL,THRUST
72-6970-963
5940-00-271-7258INTERCHANGEABLE
TERMINAL,LUG
5331-00-288-1963INTERCHANGEABLE
O-RING
C1124-70
5331-00-808-0794INTERCHANGEABLE
O-RING
10596841-5
6640-00-861-6209INTERCHANGEABLE
BURNER CAP AND GRID
5910-01-046-7002INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
913924-1
5306-01-256-6959INTERCHANGEABLE
BOLT,NUT,WASHER
3672-4
5935-01-273-2905INTERCHANGEABLE
JACK,TELEPHONE
3908
5330-01-275-2602INTERCHANGEABLE
PACKING,PREFORMED
5331-01-541-1314INTERCHANGEABLE
O-RING
3-908 NBR
5365-01-616-6256INTERCHANGEABLE
BUSHING,SLEEVE
3908

Frequently Asked Questions

What is NSN 5950-01-369-8392?

NSN 5950-01-369-8392 is a Transformer,current, 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 5950-01-369-8392?

NSN 5950-01-369-8392 has 2 cross-referenced part numbers: 36724 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit), 3908 (Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division).

What NSN replaces 5950-01-369-8392?

There are 12 known substitutes for 5950-01-369-8392: 5950-00-087-4058, 3110-00-156-1875, 5940-00-271-7258 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3908?

Key specifications for 3908: Inclosure Type: OPEN; Body Outside Diameter: 0.800 INCHES MAXIMUM IN; Special Features: TURNS RATIO 1:100; Body Height: 0.450 INCHES MAXIMUM IN. 11 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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