PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TR 105Transformer,audio Frequency

Thordarson Inc · NSN 5950-00-476-8017 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-476-8017 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-476-8017. Primary manufacturer part number: TR 105.
Features
  • Transformer,audio Frequency — FSC 5950
  • Body Width: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
  • Mounting Tab Width: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
  • Body Height: 0.656 INCHES NOMINAL0.656 INCHES NOMINAL IN
  • Inclosure Type: OPENOPEN
  • Terminal Type and Quantity: 5 WIRE LEAD5 WIRE LEAD
  • Mounting Method: TAB SINGLE GROUPTAB SINGLE GROUP
  • Impedance Rating in Ohms: 4.0 NOMINAL AND 12.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-476-8017, 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 Thordarson Inc. Government technical data includes 13 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-476-8017
Primary Part NumberTR 105
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerThordarson Inc
StatusACTIVE
Body Width0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
Mounting Tab Width0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
Body Height0.656 INCHES NOMINAL0.656 INCHES NOMINAL IN
Inclosure TypeOPENOPEN
Terminal Type and Quantity5 WIRE LEAD5 WIRE LEAD
Mounting MethodTAB SINGLE GROUPTAB SINGLE GROUP
Impedance Rating in Ohms4.0 NOMINAL AND 12.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Length0.812 INCHES NOMINAL IN
Primary to Secondary Turn Ratio1 TO 9-51/64 SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Impedance Rating in Ohms1250.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Transformer FunctionLINELINE
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6680-00-394-7339B26 INTERCHANGEABLE
Tip Assembly,tachometer
Schulze Mfg., Inc.
4030-00-804-5549 INTERCHANGEABLE
Shackle
Cross-Reference Index
Part NumberManufacturer
TR 105 Thordarson Inc (USA)
TA26 Emerson Electric Co White-Rodgers Div (USA)
Related Parts
6680-00-394-7339INTERCHANGEABLE
TIP ASSEMBLY,TACHOMETER
B26
4030-00-804-5549INTERCHANGEABLE
SHACKLE

Frequently Asked Questions

What is NSN 5950-00-476-8017?

NSN 5950-00-476-8017 is a Transformer,audio Frequency, manufactured by Thordarson Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-476-8017?

NSN 5950-00-476-8017 has 2 cross-referenced part numbers: TR 105 (Thordarson Inc), TA26 (Emerson Electric Co White-Rodgers Div).

What NSN replaces 5950-00-476-8017?

There are 2 known substitutes for 5950-00-476-8017: 6680-00-394-7339, 4030-00-804-5549. Verify interchangeability with system specifications before substitution.

What are the specifications of TR 105?

Key specifications for TR 105: Body Width: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN; Mounting Tab Width: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN; Body Height: 0.656 INCHES NOMINAL0.656 INCHES NOMINAL IN; Inclosure Type: OPENOPEN. 13 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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