PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28865Transformer,audio Frequency

Emerson Electric Co White-Rodgers Div · NSN 5950-00-913-0347 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-913-0347 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-913-0347. Primary manufacturer part number: 28865.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 1.313 INCHES NOMINAL IN
  • Frequency Rating: 200.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Impedance Rating in Ohms: 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Distance Between Mounting Facility Centers: 1.281 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Maximum Transformer Power Rating: 12.0 DECIBELS SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-913-0347, 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 Emerson Electric Co White-Rodgers Div. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-913-0347
Primary Part Number28865
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerEmerson Electric Co White-Rodgers Div
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Width1.313 INCHES NOMINAL IN
Frequency Rating200.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Distance Between Mounting Facility Centers1.281 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Maximum Transformer Power Rating12.0 DECIBELS SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Impedance Rating in Ohms50000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Body Length1.313 INCHES NOMINAL IN
Body Height2.063 INCHES NOMINAL IN
Terminal Type and Quantity5 WIRE LEAD
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5998-01-053-1602532681-2 INTERCHANGEABLE
Extractor,electrical Card
Raytheon Company Dba Raytheon
4130-01-291-015928865 INTERCHANGEABLE
Heating Element,electrical,immer
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5340-01-649-506128865 INTERCHANGEABLE
Bracket,mounting
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
28865 Emerson Electric Co White-Rodgers Div (USA)
BC3334 Ballastran Corp (USA)
Related Parts
5998-01-053-1602INTERCHANGEABLE
EXTRACTOR,ELECTRICAL CARD
532681-2
4130-01-291-0159INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
28865
5340-01-649-5061INTERCHANGEABLE
BRACKET,MOUNTING
28865

Frequently Asked Questions

What is NSN 5950-00-913-0347?

NSN 5950-00-913-0347 is a Transformer,audio Frequency, manufactured by Emerson Electric Co White-Rodgers Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-913-0347?

NSN 5950-00-913-0347 has 2 cross-referenced part numbers: 28865 (Emerson Electric Co White-Rodgers Div), BC3334 (Ballastran Corp).

What NSN replaces 5950-00-913-0347?

There are 3 known substitutes for 5950-00-913-0347: 5998-01-053-1602, 4130-01-291-0159, 5340-01-649-5061. Verify interchangeability with system specifications before substitution.

What are the specifications of 28865?

Key specifications for 28865: Reliability Indicator: NOT ESTABLISHED; Body Width: 1.313 INCHES NOMINAL IN; Frequency Rating: 200.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT; Impedance Rating in Ohms: 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY. 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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