PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4181Transformer,audio Frequency

Magnetek Inc Huntington Div · NSN 5950-00-683-8105 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-683-8105 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-683-8105. Primary manufacturer part number: 4181.
Features
  • Transformer,audio Frequency — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Length: 3.125 INCHES NOMINAL IN
  • Inclosure Type: HERMETICALLY SEALED
  • Mounting Facility Quantity: 4 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 5950-00-683-8105, 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 Magnetek Inc Huntington Div. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5950-00-683-8105
Primary Part Number4181
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetek Inc Huntington Div
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch32 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length3.125 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Mounting Facility Quantity4 SINGLE GROUP
Primary to Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity6 SOLDER STUD
Body Width2.312 INCHES NOMINAL IN
Impedance Rating in Ohms32.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Impedance Rating in Ohms32.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Height2.062 INCHES NOMINAL IN
Maximum Transformer Power Rating2.0 WATTS SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2815-00-146-2305 INTERCHANGEABLE
Plate,engine Founda
5940-00-216-74099000S6202-74193REV0 INTERCHANGEABLE
Terminal Box
Naval Ship Systems Command
5120-00-293-0016 INTERCHANGEABLE
Wrench Set,crowfoot,ratcheting
5950-00-707-7997435506 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Rms - Mitchel Field
5305-00-886-2182 INTERCHANGEABLE
Setscrew
6670-01-013-8791 INTERCHANGEABLE
Scale,weighing
5340-01-064-18954181 INTERCHANGEABLE
Strap,retaining
Abb Installation Products Inc
4730-01-202-974504181 INTERCHANGEABLE
Strainer,sediment
Dover Corp Groen Div
6520-01-234-02414181 INTERCHANGEABLE
Ring,dental Casting
Whip-Mix Corp
5905-01-622-0682 INTERCHANGEABLE
Resistor,fixed,film
Cross-Reference Index
Part NumberManufacturer
4181 Magnetek Inc Huntington Div (USA)
4181 Magnetek Inc Lighting Products Group (USA)
M020109 Radiaphone Corp (USA)
Related Parts
2815-00-146-2305INTERCHANGEABLE
PLATE,ENGINE FOUNDA
5940-00-216-7409INTERCHANGEABLE
TERMINAL BOX
9000S6202-74193REV0
5120-00-293-0016INTERCHANGEABLE
WRENCH SET,CROWFOOT,RATCHETING
5950-00-707-7997INTERCHANGEABLE
TRANSFORMER,POWER
435506
5305-00-886-2182INTERCHANGEABLE
SETSCREW
6670-01-013-8791INTERCHANGEABLE
SCALE,WEIGHING
5340-01-064-1895INTERCHANGEABLE
STRAP,RETAINING
4181
4730-01-202-9745INTERCHANGEABLE
STRAINER,SEDIMENT
04181
6520-01-234-0241INTERCHANGEABLE
RING,DENTAL CASTING
4181
5905-01-622-0682INTERCHANGEABLE
RESISTOR,FIXED,FILM
6685-01-624-5489INTERCHANGEABLE
CALIBRATOR,THERMOMETER
4181-156
8340-01-649-2260INTERCHANGEABLE
SHADE ASSEMBLY,SOLA
4181

Frequently Asked Questions

What is NSN 5950-00-683-8105?

NSN 5950-00-683-8105 is a Transformer,audio Frequency, manufactured by Magnetek Inc Huntington Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-683-8105?

NSN 5950-00-683-8105 has 3 cross-referenced part numbers: 4181 (Magnetek Inc Huntington Div), 4181 (Magnetek Inc Lighting Products Group), M020109 (Radiaphone Corp).

What NSN replaces 5950-00-683-8105?

There are 12 known substitutes for 5950-00-683-8105: 2815-00-146-2305, 5940-00-216-7409, 5120-00-293-0016 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4181?

Key specifications for 4181: Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED; Thread Quantity Per Inch: 32 SINGLE GROUP; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 19 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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