PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25N210415Transformer,audio Frequency

Herley Chicago Dba Stewart Warner Electronics · NSN 5950-00-764-1063 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-764-1063 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-764-1063. Primary manufacturer part number: 25N210415.
Features
  • Transformer,audio Frequency — FSC 5950
  • Transformer Function: LINE
  • Mounting Method: PLUG-IN SINGLE GROUP
  • Impedance Rating in Ohms: 9.5 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Body Length: 0.625 INCHES NOMINAL IN
  • Maximum Operating Temp: 105.0 CELSIUS DEGC
  • Impedance Rating in Ohms: 2.4 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Terminal Type and Quantity: 4 PIN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-764-1063, 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 Herley Chicago Dba Stewart Warner Electronics. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-764-1063
Primary Part Number25N210415
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHerley Chicago Dba Stewart Warner Electronics
StatusCANCELLED
Transformer FunctionLINE
Mounting MethodPLUG-IN SINGLE GROUP
Impedance Rating in Ohms9.5 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length0.625 INCHES NOMINAL IN
Maximum Operating Temp105.0 CELSIUS DEGC
Impedance Rating in Ohms2.4 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity4 PIN
Body Outside Diameter0.750 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Frequency Rating100.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Maximum Transformer Power Rating12.0 DECIBELS SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
2815-00-179-795242357 INTERCHANGEABLE
Cover,engine Poppet Valve Rocker
Cummins Inc.
5985-00-504-221842357 INTERCHANGEABLE
Probe,waveguide
Frontgrade Technologies Inc.
5962-01-089-278242357 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5360-01-536-876942357 INTERCHANGEABLE
Spring,helical,compression
Tyco Fire Products Lp
Cross-Reference Index
Part NumberManufacturer
25N210415 United Transformer Corp Sub of Opt Industries Inc (USA)
25N210415 Magnetika Inc (USA)
42357 Coast/advanced Chip Magnetics, Inc. (USA)
25N210415 PRIMARY Herley Chicago Dba Stewart Warner Electronics (USA)
PEI6520 Precision Electronics, Inc (USA)
TM-1689 Mte Corp Milwaukee Transformer Co (USA)
HY2836 Hytronics Corp. (USA)
Related Parts
2815-00-179-7952INTERCHANGEABLE
COVER,ENGINE POPPET VALVE ROCKER
42357
5985-00-504-2218INTERCHANGEABLE
PROBE,WAVEGUIDE
42357
5962-01-089-2782INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42357
5360-01-536-8769INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
42357

Frequently Asked Questions

What is NSN 5950-00-764-1063?

NSN 5950-00-764-1063 is a Transformer,audio Frequency, manufactured by Herley Chicago Dba Stewart Warner Electronics, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-764-1063?

NSN 5950-00-764-1063 has 7 cross-referenced part numbers: 25N210415 (United Transformer Corp Sub of Opt Industries Inc), 25N210415 (Magnetika Inc), 42357 (Coast/advanced Chip Magnetics, Inc.), 25N210415 (Herley Chicago Dba Stewart Warner Electronics), PEI6520 (Precision Electronics, Inc) and 2 more.

What NSN replaces 5950-00-764-1063?

There are 4 known substitutes for 5950-00-764-1063: 2815-00-179-7952, 5985-00-504-2218, 5962-01-089-2782 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25N210415?

Key specifications for 25N210415: Transformer Function: LINE; Mounting Method: PLUG-IN SINGLE GROUP; Impedance Rating in Ohms: 9.5 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Body Length: 0.625 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-764-1063 still in active supply?

NSN 5950-00-764-1063 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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