PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T104Transformer,audio Frequency

Electronic Transformer Corp Div Electronic Transformer Corporation · NSN 5950-00-243-0489 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-243-0489 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-243-0489. Primary manufacturer part number: T104.
Features
  • Transformer,audio Frequency — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Body Length: 2.750 INCHES NOMINAL IN
  • Mounting Facility Quantity: 8 SINGLE GROUP
  • Body Width: 2.375 INCHES NOMINAL IN
  • Body Height: 3.188 INCHES NOMINAL IN
  • Inclosure Type: FULLY INCLOSED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-243-0489, 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 Electronic Transformer Corp Div Electronic Transformer Corporation. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-243-0489
Primary Part NumberT104
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerElectronic Transformer Corp Div Electronic Transformer Corporation
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Width2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Body Length2.750 INCHES NOMINAL IN
Mounting Facility Quantity8 SINGLE GROUP
Body Width2.375 INCHES NOMINAL IN
Body Height3.188 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Terminal Type and Quantity9 TAB, SOLDER LUG
Impedance Rating in Ohms4.0 NOMINAL AND 8.0 NOMINAL AND 15.0 NOMINAL SINGLE COMPONENT FIRST SECONDARY
Reliability IndicatorNOT ESTABLISHED
Primary to Secondary Turn Ratio1 TO 3-8/10 TO 21-7/10 SINGLE COMPONENT
Impedance Rating in Ohms7000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Impedance Rating in Ohms200.0 NOMINAL AND 500.0 NOMINAL SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-041-2212 INTERCHANGEABLE
Transformer,audio Frequency
5950-00-657-1579PA2610 INTERCHANGEABLE
Transformer,power,s
Magnetika Inc
5325-00-803-7301 INTERCHANGEABLE
Ring,retaining
4935-00-991-1478T104 INTERCHANGEABLE
Multivibrator,plug
Transico, Inc. Dba Eeco Switch
5136-01-028-4313T104A INTERCHANGEABLE
Tap,thread Cutting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5305-01-435-965865720-35710-101 INTERCHANGEABLE
Screw,machine
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
5331-01-459-6765T104 INTERCHANGEABLE
O-Ring
Unertl John Optical Co Inc
4030-01-601-1374ZPSTAK101XX INTERCHANGEABLE
Stake,guy
Adaptos, Llc Dba Adaptos
Cross-Reference Index
Part NumberManufacturer
T104 PRIMARY Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
Related Parts
5950-00-041-2212INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-00-657-1579INTERCHANGEABLE
TRANSFORMER,POWER,S
PA2610
5325-00-803-7301INTERCHANGEABLE
RING,RETAINING
4935-00-991-1478INTERCHANGEABLE
MULTIVIBRATOR,PLUG
T104
5136-01-028-4313INTERCHANGEABLE
TAP,THREAD CUTTING
T104A
5305-01-435-9658INTERCHANGEABLE
SCREW,MACHINE
65720-35710-101
5331-01-459-6765INTERCHANGEABLE
O-RING
T104
4030-01-601-1374INTERCHANGEABLE
STAKE,GUY
ZPSTAK101XX

Frequently Asked Questions

What is NSN 5950-00-243-0489?

NSN 5950-00-243-0489 is a Transformer,audio Frequency, manufactured by Electronic Transformer Corp Div Electronic Transformer Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-243-0489?

NSN 5950-00-243-0489 has 1 cross-referenced part number: T104 (Electronic Transformer Corp Div Electronic Transformer Corporation).

What NSN replaces 5950-00-243-0489?

There are 8 known substitutes for 5950-00-243-0489: 5950-00-041-2212, 5950-00-657-1579, 5325-00-803-7301 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T104?

Key specifications for T104: Center to Center Distance Between Mounting Facilities Parallel to Width: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Body Length: 2.750 INCHES NOMINAL IN; Mounting Facility Quantity: 8 SINGLE GROUP. 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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