PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

304288Transformer,audio Frequency

Naval Ship Systems Command · NSN 5950-00-189-3744 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-189-3744 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-189-3744. Primary manufacturer part number: 304288.
Features
  • Transformer,audio Frequency — FSC 5950
  • Impedance Rating in Ohms: 4000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 2.125 INCHES NOMINAL IN
  • Primary to Secondary Turn Ratio: 1 TO 1-1/4 SINGLE COMPONENT
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Thread Quantity Per Inch: 32 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 5950-00-189-3744, 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 Naval Ship Systems Command. Government technical data includes 18 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
NSN5950-00-189-3744
Primary Part Number304288
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Impedance Rating in Ohms4000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Reliability IndicatorNOT ESTABLISHED
Body Length2.125 INCHES NOMINAL IN
Primary to Secondary Turn Ratio1 TO 1-1/4 SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Body Height3.000 INCHES NOMINAL IN
Body Width1.875 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Impedance Rating in Ohms2780.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity4 STANDOFF, SOLDER LUG
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Current24.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-003-28301763 INTERCHANGEABLE
Bushing
L3harris Technologies, Inc. Div Space and Airborne Systems
4730-00-050-4206AS15002-4P INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
5905-00-060-19411763 INTERCHANGEABLE
Resistor,variable,wire Wound,non
General Microwave Corporation Div Kratos Microwave Electronics
3110-00-157-1971111GE INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5905-00-195-4143 INTERCHANGEABLE
Resistor,fixed,wire Wound
4510-00-216-5411 INTERCHANGEABLE
Parts Kit,water Closet
7810-00-271-176325AA020 INTERCHANGEABLE
Recreational Kit
Giga, Inc.
4320-00-445-4476 INTERCHANGEABLE
Pump Unit,centrifugal
5950-00-489-73871763 INTERCHANGEABLE
Reactor
Dyco Manufacturing, Llc
6240-00-753-20311763 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Cross-Reference Index
Part NumberManufacturer
1763 Transformionics Inc (USA)
304288 PRIMARY Naval Ship Systems Command (USA)
M7479616REV3 PRIMARY General Electric Company (USA)
Related Parts
3120-00-003-2830INTERCHANGEABLE
BUSHING
1763
4730-00-050-4206INTERCHANGEABLE
FITTING,LUBRICATION
AS15002-4P
5905-00-060-1941INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
1763
3110-00-157-1971INTERCHANGEABLE
BEARING,BALL,ANNULAR
111GE
5905-00-195-4143INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
4510-00-216-5411INTERCHANGEABLE
PARTS KIT,WATER CLOSET
7810-00-271-1763INTERCHANGEABLE
RECREATIONAL KIT
25AA020
4320-00-445-4476INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
5950-00-489-7387INTERCHANGEABLE
REACTOR
1763
6240-00-753-2031INTERCHANGEABLE
LAMP,INCANDESCENT
1763
5330-00-963-2723INTERCHANGEABLE
GASKET
5180-01-048-5282INTERCHANGEABLE
TOOL KIT,BUSHING INSTALLATION AN
1TL32

Frequently Asked Questions

What is NSN 5950-00-189-3744?

NSN 5950-00-189-3744 is a Transformer,audio Frequency, manufactured by Naval Ship Systems Command, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-189-3744?

NSN 5950-00-189-3744 has 3 cross-referenced part numbers: 1763 (Transformionics Inc), 304288 (Naval Ship Systems Command), M7479616REV3 (General Electric Company).

What NSN replaces 5950-00-189-3744?

There are 12 known substitutes for 5950-00-189-3744: 3120-00-003-2830, 4730-00-050-4206, 5905-00-060-1941 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 304288?

Key specifications for 304288: Impedance Rating in Ohms: 4000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Reliability Indicator: NOT ESTABLISHED; Body Length: 2.125 INCHES NOMINAL IN; Primary to Secondary Turn Ratio: 1 TO 1-1/4 SINGLE COMPONENT. 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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