PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43524Transformer,power

Freed Transformer Co · NSN 5950-00-436-6256 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-436-6256 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-436-6256. Primary manufacturer part number: 43524.
Features
  • Transformer,power — FSC 5950
  • Body Width: 3.380 INCHES MAXIMUM IN
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Voltage: 22.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Mounting Facility Quantity: 4 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-436-6256, 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 Freed Transformer Co. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-436-6256
Primary Part Number43524
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Body Width3.380 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage22.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Current28.6 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Body Height5.250 INCHES MAXIMUM IN
Winding Power Rating110.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage20.20 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage208.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Thread Series DesignatorUNF SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Winding Shielding MethodEXTERNAL INCLOSURE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length3.940 INCHES MAXIMUM IN
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Winding Operating Current2.86 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Terminal Type and Quantity9 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-759-118343524 INTERCHANGEABLE
Gasket
Ashcroft Inc Dba Heise
2990-01-023-5811FB0023 INTERCHANGEABLE
Cap Assembly,protective,muffler-
Mercury Products Corp
5930-01-036-957043524 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5950-01-095-08184012330 INTERCHANGEABLE
Transformer,power
Honeywell International Inc. Dba Honeywell International
Cross-Reference Index
Part NumberManufacturer
43524 Freed Transformer Co (USA)
77C708731P1 Lockheed Martin Corporation Div Rms (USA)
9T35Y2225 General Electric Co Specialty Transformer Dept (USA)
9T35Y2225 General Electric Company (USA)
Related Parts
5330-00-759-1183INTERCHANGEABLE
GASKET
43524
2990-01-023-5811INTERCHANGEABLE
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
FB0023
5930-01-036-9570INTERCHANGEABLE
SWITCH,FLOW
43524
5950-01-095-0818INTERCHANGEABLE
TRANSFORMER,POWER
4012330

Frequently Asked Questions

What is NSN 5950-00-436-6256?

NSN 5950-00-436-6256 is a Transformer,power, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-436-6256?

NSN 5950-00-436-6256 has 4 cross-referenced part numbers: 43524 (Freed Transformer Co), 77C708731P1 (Lockheed Martin Corporation Div Rms), 9T35Y2225 (General Electric Co Specialty Transformer Dept), 9T35Y2225 (General Electric Company).

What NSN replaces 5950-00-436-6256?

There are 4 known substitutes for 5950-00-436-6256: 5330-00-759-1183, 2990-01-023-5811, 5930-01-036-9570 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43524?

Key specifications for 43524: Body Width: 3.380 INCHES MAXIMUM IN; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED; Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN. 24 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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