PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-2297Transformer,power

Tranex, Inc. · NSN 5950-01-028-0300 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-028-0300 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-028-0300. Primary manufacturer part number: 4-2297.
Features
  • Transformer,power — FSC 5950
  • Frequency Rating: 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Current: 270.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
  • Winding Operating Voltage: 190.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Winding Operating Current: 1.9 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
  • Body Length: 3.125 INCHES NOMINAL IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Operating Voltage: 117.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-028-0300, 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 Tranex, Inc.. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-028-0300
Primary Part Number4-2297
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTranex, Inc.
StatusACTIVE
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current270.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Winding Operating Voltage190.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current1.9 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Body Length3.125 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage117.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Winding Operating Voltage28.50 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Hole Diameter0.187 INCHES NOMINAL SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.281 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current950.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Terminal Type and Quantity15 WIRE LEAD
Inclosure TypeOPEN
Body Width2.125 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity2 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Winding Operating Voltage15.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Body Height2.718 INCHES NOMINAL IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage12.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Current30.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-100-73401228X154 INTERCHANGEABLE
Bearing,roller,cylindrical
Meritor Industrial Products, Llc
5950-00-600-084372-2618 INTERCHANGEABLE
Transformer,power
Department of Defense Project Manager-Mobile Electric Power
1040-00-936-929054A50B339 INTERCHANGEABLE
Tube Assy,tank
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-01-326-5872 INTERCHANGEABLE
Transformer,power
3950-01-389-821142297 INTERCHANGEABLE
Winch,drum,power Operated
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
Cross-Reference Index
Part NumberManufacturer
003490 Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp (USA)
003490 Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA)
4-2297 PRIMARY Tranex, Inc. (USA)
5950-08657 Eldorado Instruments Co Sub of E-H International Inc (USA)
Related Parts
3110-00-100-7340INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
1228X154
5950-00-600-0843INTERCHANGEABLE
TRANSFORMER,POWER
72-2618
1040-00-936-9290INTERCHANGEABLE
TUBE ASSY,TANK
54A50B339
5950-01-326-5872INTERCHANGEABLE
TRANSFORMER,POWER
3950-01-389-8211INTERCHANGEABLE
WINCH,DRUM,POWER OPERATED
42297

Frequently Asked Questions

What is NSN 5950-01-028-0300?

NSN 5950-01-028-0300 is a Transformer,power, manufactured by Tranex, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-028-0300?

NSN 5950-01-028-0300 has 4 cross-referenced part numbers: 003490 (Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp), 003490 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc), 4-2297 (Tranex, Inc.), 5950-08657 (Eldorado Instruments Co Sub of E-H International Inc).

What NSN replaces 5950-01-028-0300?

There are 5 known substitutes for 5950-01-028-0300: 3110-00-100-7340, 5950-00-600-0843, 1040-00-936-9290 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-2297?

Key specifications for 4-2297: Frequency Rating: 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT; Winding Operating Current: 270.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY; Winding Operating Voltage: 190.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Winding Operating Current: 1.9 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com