PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3906Transformer,power

Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division · NSN 5950-01-369-7574 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-369-7574 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-369-7574. Primary manufacturer part number: 3906.
Features
  • Transformer,power — FSC 5950
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Operating Current: 0.400 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Body Height: 1.250 INCHES MAXIMUM IN
  • Mounting Method: UNTHREADED HOLE(S) ALL GROUPINGS
  • Terminal Type and Quantity: 5 PRINTED CIRCUIT
  • Mounting Hole Diameter: 0.187 INCHES NOMINAL SINGLE GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-369-7574, 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 19 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
NSN5950-01-369-7574
Primary Part Number3906
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTransistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division
StatusACTIVE
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Current0.400 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity2 SINGLE GROUP
Body Height1.250 INCHES MAXIMUM IN
Mounting MethodUNTHREADED HOLE(S) ALL GROUPINGS
Terminal Type and Quantity5 PRINTED CIRCUIT
Mounting Hole Diameter0.187 INCHES NOMINAL SINGLE GROUP IN
Winding Operating Voltage175.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length1.500 INCHES MAXIMUM IN
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Length1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Specification/standard Data09004-116380 MANUFACTURERS SOURCE CONTROL
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Distance Between Mounting Facility Centers1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width1.130 INCHES NOMINAL IN
Inclosure TypeOPEN
Maximum Operating Temp75.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-100-0153 INTERCHANGEABLE
Circuit Card Assembly
5331-00-165-1981AS3581-906 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5985-00-264-55043096 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
4720-00-486-8211 INTERCHANGEABLE
Hose Assembly,nonmetallic
5331-00-776-0580CA030044 INTERCHANGEABLE
O-Ring
Evans Tempcon Michigan, Llc
2530-01-005-26073900-214 INTERCHANGEABLE
Tie Rod,steering
Pdi Ground Support Systems, Inc.
2530-01-037-50303900-175 INTERCHANGEABLE
Tie Rod,steering
Pdi Ground Support Systems, Inc.
5330-01-073-00323-906 INTERCHANGEABLE
Gasket
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
2530-01-113-20033900-147 INTERCHANGEABLE
Tie Rod,steering
Pdi Ground Support Systems, Inc.
3110-01-115-5105 INTERCHANGEABLE
Bearing,ball,thrust
Cross-Reference Index
Part NumberManufacturer
116380 Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA)
3906 PRIMARY Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division (USA)
Related Parts
5998-00-100-0153INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5331-00-165-1981INTERCHANGEABLE
O-RING
AS3581-906
5985-00-264-5504INTERCHANGEABLE
COUPLER,DIRECTIONAL
3096
4720-00-486-8211INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5331-00-776-0580INTERCHANGEABLE
O-RING
CA030044
2530-01-005-2607INTERCHANGEABLE
TIE ROD,STEERING
3900-214
2530-01-037-5030INTERCHANGEABLE
TIE ROD,STEERING
3900-175
5330-01-073-0032INTERCHANGEABLE
GASKET
3-906
2530-01-113-2003INTERCHANGEABLE
TIE ROD,STEERING
3900-147
3110-01-115-5105INTERCHANGEABLE
BEARING,BALL,THRUST
2530-01-123-0101INTERCHANGEABLE
TIE ROD,STEERING
3900-291
2530-01-143-9118INTERCHANGEABLE
TIE ROD,STEERING
3900-233

Frequently Asked Questions

What is NSN 5950-01-369-7574?

NSN 5950-01-369-7574 is a Transformer,power, 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 5950-01-369-7574?

NSN 5950-01-369-7574 has 2 cross-referenced part numbers: 116380 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit), 3906 (Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division).

What NSN replaces 5950-01-369-7574?

There are 12 known substitutes for 5950-01-369-7574: 5998-00-100-0153, 5331-00-165-1981, 5985-00-264-5504 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3906?

Key specifications for 3906: Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Winding Operating Current: 0.400 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY; Mounting Facility Quantity: 2 SINGLE GROUP; Body Height: 1.250 INCHES MAXIMUM IN. 19 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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