PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S14Transformer,audio Frequency

Magnetika Inc · NSN 5950-00-231-4789 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-231-4789 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-231-4789. Primary manufacturer part number: S14.
Features
  • Transformer,audio Frequency — FSC 5950
  • Body Length: 3.375 INCHES NOMINAL IN
  • Terminal Type and Quantity: 9 TAB, SOLDER LUG
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Body Height: 2.312 INCHES NOMINAL IN
  • Maximum Transformer Power Rating: 10.0 WATTS SINGLE COMPONENT
  • Primary to Secondary Turn Ratio: 1 TO 4.27 SINGLE COMPONENT
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-231-4789, 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 Magnetika Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-231-4789
Primary Part NumberS14
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetika Inc
StatusCANCELLED
Body Length3.375 INCHES NOMINAL IN
Terminal Type and Quantity9 TAB, SOLDER LUG
Mounting Facility Quantity2 SINGLE GROUP
Body Height2.312 INCHES NOMINAL IN
Maximum Transformer Power Rating10.0 WATTS SINGLE COMPONENT
Primary to Secondary Turn Ratio1 TO 4.27 SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Width1.938 INCHES NOMINAL IN
Impedance Rating in Ohms2500.0 NOMINAL AND 4000.0 NOMINAL AND 7000.0 NOMINAL AND 10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Hole Diameter0.187 INCHES NOMINAL SINGLE GROUP IN
Reliability IndicatorNOT ESTABLISHED
Frequency Rating300.0 HERTZ MINIMUM AND 500.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Current35.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Impedance Rating in Ohms8.0 NOMINAL AND 15.0 NOMINAL AND 500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Distance Between Mounting Facility Centers2.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5315-00-021-8211218211 INTERCHANGEABLE
Key,woodruff
Dressta North America Ltd
6130-00-530-37374265A INTERCHANGEABLE
Power Supply
Fluke Corp
2520-00-906-1659114-555 INTERCHANGEABLE
Parts Kit,universal Joint
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
5310-00-950-04801664829 INTERCHANGEABLE
Washer,key
Chrysler Realty Company Llc Dba Daimler Chrysler
5340-01-160-66172896556-2 INTERCHANGEABLE
Latch,rim
Raytheon Company Dba Raytheon Co
5985-01-395-00974265A INTERCHANGEABLE
Antenna
Shakespeare Company, Llc Div Military Electronics
5360-01-502-998391492 INTERCHANGEABLE
Spring,helical,compression
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
S14 United Transformer Corp Sub of Opt Industries Inc (USA)
A9783 L3harris Interstate Electronics Corporation (USA)
42-65A Cooper Industries Inc Champion Aviation Products (USA)
S14 PRIMARY Magnetika Inc (USA)
914-92 Jefferson Ray (USA)
Related Parts
5315-00-021-8211INTERCHANGEABLE
KEY,WOODRUFF
218211
6130-00-530-3737INTERCHANGEABLE
POWER SUPPLY
4265A
2520-00-906-1659INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
114-555
5310-00-950-0480INTERCHANGEABLE
WASHER,KEY
1664829
5340-01-160-6617INTERCHANGEABLE
LATCH,RIM
2896556-2
5985-01-395-0097INTERCHANGEABLE
ANTENNA
4265A
5360-01-502-9983INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
91492

Frequently Asked Questions

What is NSN 5950-00-231-4789?

NSN 5950-00-231-4789 is a Transformer,audio Frequency, manufactured by Magnetika Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-231-4789?

NSN 5950-00-231-4789 has 5 cross-referenced part numbers: S14 (United Transformer Corp Sub of Opt Industries Inc), A9783 (L3harris Interstate Electronics Corporation), 42-65A (Cooper Industries Inc Champion Aviation Products), S14 (Magnetika Inc), 914-92 (Jefferson Ray).

What NSN replaces 5950-00-231-4789?

There are 7 known substitutes for 5950-00-231-4789: 5315-00-021-8211, 6130-00-530-3737, 2520-00-906-1659 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S14?

Key specifications for S14: Body Length: 3.375 INCHES NOMINAL IN; Terminal Type and Quantity: 9 TAB, SOLDER LUG; Mounting Facility Quantity: 2 SINGLE GROUP; Body Height: 2.312 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-231-4789 still in active supply?

NSN 5950-00-231-4789 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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