PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39901Transformer,power

Freed Transformer Co · NSN 5950-00-481-8110 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-481-8110 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-481-8110. Primary manufacturer part number: 39901.
Features
  • Transformer,power — FSC 5950
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
  • Body Length: 2.250 INCHES NOMINAL IN
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.690 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Terminal Type and Quantity: 10 WIRE HOOK
  • Thread Quantity Per Inch: 32 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 5950-00-481-8110, 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 22 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-481-8110
Primary Part Number39901
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Body Length2.250 INCHES NOMINAL IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.690 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity10 WIRE HOOK
Thread Quantity Per Inch32 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage18.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.440 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Current600.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Winding Operating Voltage18.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current500.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current500.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3040-00-545-928239901 INTERCHANGEABLE
Shaft,shouldered
Micro Computer Consultants Inc Quality Accessories and Instruments Div
5935-00-904-98463990-1 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
5950-01-148-2295138C185H02 INTERCHANGEABLE
Transf Pul
Technetics Inc.
5950-01-148-33085250 INTERCHANGEABLE
Transformer,pulse
Pulse Engineering Inc
5950-01-300-4955SM-A-911295-26 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
8030-01-534-517139901 INTERCHANGEABLE
Antiseize Compound
Loctite Corp
7930-01-701-96707100227801 INTERCHANGEABLE
Wax,automobile
3m Company
Cross-Reference Index
Part NumberManufacturer
39901 PRIMARY Freed Transformer Co (USA)
SB1532 Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp (USA)
SB1532 Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA)
Related Parts
3040-00-545-9282INTERCHANGEABLE
SHAFT,SHOULDERED
39901
5935-00-904-9846INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3990-1
5950-01-148-2295INTERCHANGEABLE
TRANSF PUL
138C185H02
5950-01-148-3308INTERCHANGEABLE
TRANSFORMER,PULSE
5250
5950-01-300-4955INTERCHANGEABLE
COIL,RADIO FREQUENCY
SM-A-911295-26
8030-01-534-5171INTERCHANGEABLE
ANTISEIZE COMPOUND
39901
7930-01-701-9670INTERCHANGEABLE
WAX,AUTOMOBILE
7100227801

Frequently Asked Questions

What is NSN 5950-00-481-8110?

NSN 5950-00-481-8110 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 5950-00-481-8110?

NSN 5950-00-481-8110 has 3 cross-referenced part numbers: 39901 (Freed Transformer Co), SB1532 (Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp), SB1532 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc).

What NSN replaces 5950-00-481-8110?

There are 7 known substitutes for 5950-00-481-8110: 3040-00-545-9282, 5935-00-904-9846, 5950-01-148-2295 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 39901?

Key specifications for 39901: Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT; Overall Width: 2.000 INCHES NOMINAL IN; Body Length: 2.250 INCHES NOMINAL IN; Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. 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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