PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25P228212-01Transformer,audio Frequency

Herley Chicago Dba Stewart Warner Electronics · NSN 5950-01-144-3237 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-144-3237 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-144-3237. Primary manufacturer part number: 25P228212-01.
Features
  • Transformer,audio Frequency — FSC 5950
  • Maximum Transformer Power Rating: 4.0 MILLIWATTS SINGLE COMPONENT
  • Mounting Method: TERMINAL SINGLE GROUP
  • Impedance Rating in Ohms: 30.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Impedance Rating in Ohms: 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Maximum Operating Temp: 105.0 CELSIUS DEGC
  • Terminal Type and Quantity: 6 PIN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY 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 5950-01-144-3237, 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 12 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-144-3237
Primary Part Number25P228212-01
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHerley Chicago Dba Stewart Warner Electronics
StatusACTIVE
Maximum Transformer Power Rating4.0 MILLIWATTS SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Impedance Rating in Ohms30.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Maximum Operating Temp105.0 CELSIUS DEGC
Terminal Type and Quantity6 PIN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating300.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Length0.520 INCHES MAXIMUM IN
Body Outside Diameter0.750 INCHES MAXIMUM IN
Inclosure TypeFULLY INCLOSED
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-043-0269938B0938 INTERCHANGEABLE
Lamp,cartridge
Gte Products Corp Sylvania Miniature Lighting Div
3110-00-100-0711259576 INTERCHANGEABLE
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Acf Industries Inc
5120-00-223-89286 IN. FORCE CUP GSA INTERCHANGEABLE
Force Cup,plumber's
Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc
3030-00-232-251741604 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
4820-00-311-473622130 INTERCHANGEABLE
Valve,safety Relief
Cleveland Range, Llc
2940-00-444-905542741 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5120-00-497-5270 INTERCHANGEABLE
Puller,mechanical
5985-00-561-339029196-1 INTERCHANGEABLE
Attenuator,variable
Raytheon Company Dba Raytheon
5975-00-578-2864SR-3-P4 INTERCHANGEABLE
Bushing,strain Relief,cable
Heyco Inc Dba Heyco Products
5120-00-633-5085 INTERCHANGEABLE
Puller,mechanical
Cross-Reference Index
Part NumberManufacturer
5950PL2155001 Jednolity Indeks Materialowy - Uniform Material Index (POL)
25P228212-01 PRIMARY Herley Chicago Dba Stewart Warner Electronics (USA)
938 Pico Electronics Inc (USA)
42741 Coast/advanced Chip Magnetics, Inc. (USA)
938 Elcos (BEL)
Related Parts
6240-00-043-0269INTERCHANGEABLE
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3110-00-100-0711INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
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FORCE CUP,PLUMBER'S
6 IN. FORCE CUP GSA
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BELT,V
41604
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22130
2940-00-444-9055INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
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5120-00-497-5270INTERCHANGEABLE
PULLER,MECHANICAL
5985-00-561-3390INTERCHANGEABLE
ATTENUATOR,VARIABLE
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5975-00-578-2864INTERCHANGEABLE
BUSHING,STRAIN RELIEF,CABLE
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CAP,PANEL,SEAT
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TIP,TEST PROD
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Frequently Asked Questions

What is NSN 5950-01-144-3237?

NSN 5950-01-144-3237 is a Transformer,audio Frequency, manufactured by Herley Chicago Dba Stewart Warner Electronics, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-144-3237?

NSN 5950-01-144-3237 has 5 cross-referenced part numbers: 5950PL2155001 (Jednolity Indeks Materialowy - Uniform Material Index), 25P228212-01 (Herley Chicago Dba Stewart Warner Electronics), 938 (Pico Electronics Inc), 42741 (Coast/advanced Chip Magnetics, Inc.), 938 (Elcos).

What NSN replaces 5950-01-144-3237?

There are 12 known substitutes for 5950-01-144-3237: 6240-00-043-0269, 3110-00-100-0711, 5120-00-223-8928 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25P228212-01?

Key specifications for 25P228212-01: Maximum Transformer Power Rating: 4.0 MILLIWATTS SINGLE COMPONENT; Mounting Method: TERMINAL SINGLE GROUP; Impedance Rating in Ohms: 30.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Impedance Rating in Ohms: 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY. 12 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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