PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39580Transformer,power

Freed Transformer Co · NSN 5950-00-780-8725 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-780-8725 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-780-8725. Primary manufacturer part number: 39580.
Features
  • Transformer,power — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.687 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Voltage: 6.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Inclosure Type: HERMETICALLY SEALED
  • Winding Operating Voltage: 18.00 AC VOLTS NOMINAL AND 26.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Body Length: 1.312 INCHES MAXIMUM IN
  • 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,power, cataloged under National Stock Number 5950-00-780-8725, 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 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-780-8725
Primary Part Number39580
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Length1.687 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width0.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeHERMETICALLY SEALED
Winding Operating Voltage18.00 AC VOLTS NOMINAL AND 26.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length1.312 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Current150.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Height1.812 INCHES MAXIMUM IN
Terminal Type and Quantity7 SOLDER STUD
Maximum Operating Temp100.0 CELSIUS DEGC
Mounting Hole Diameter0.140 INCHES NOMINAL SINGLE GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Body Width1.250 INCHES NOMINAL IN
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-008-993439580 INTERCHANGEABLE
Seat,valve
Griswold Industries Dba Cla-Val Co
3110-00-277-010539580 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3110-00-452-8232 INTERCHANGEABLE
Ball Race
5305-01-183-872839580 INTERCHANGEABLE
Screw,cap,socket Head
Cadillac Gage Textron Inc.
6230-01-671-140239580 INTERCHANGEABLE
Filter,light,utility
Korry Electronics Co
Cross-Reference Index
Part NumberManufacturer
672-0175-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
39580 PRIMARY Freed Transformer Co (USA)
BC3304 Ballastran Corp (USA)
Related Parts
4820-00-008-9934INTERCHANGEABLE
SEAT,VALVE
39580
3110-00-277-0105INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
39580
3110-00-452-8232INTERCHANGEABLE
BALL RACE
5305-01-183-8728INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
39580
6230-01-671-1402INTERCHANGEABLE
FILTER,LIGHT,UTILITY
39580

Frequently Asked Questions

What is NSN 5950-00-780-8725?

NSN 5950-00-780-8725 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 5950-00-780-8725?

NSN 5950-00-780-8725 has 3 cross-referenced part numbers: 672-0175-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 39580 (Freed Transformer Co), BC3304 (Ballastran Corp).

What NSN replaces 5950-00-780-8725?

There are 5 known substitutes for 5950-00-780-8725: 4820-00-008-9934, 3110-00-277-0105, 3110-00-452-8232 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 39580?

Key specifications for 39580: Center to Center Distance Between Mounting Facilities Parallel to Length: 1.687 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 0.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Operating Voltage: 6.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Inclosure Type: HERMETICALLY SEALED. 20 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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