PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25218Transformer,power

Freed Transformer Co · NSN 5950-00-647-6852 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-647-6852 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-647-6852. Primary manufacturer part number: 25218.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Operating Voltage: 6.40 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
  • Body Length: 2.938 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-647-6852, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5950-00-647-6852
Primary Part Number25218
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage6.40 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Body Length2.938 INCHES NOMINAL IN
Winding Operating Current6.3 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Inclosure TypeHERMETICALLY SEALED
Body Height3.750 INCHES NOMINAL IN
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP IN
Body Width2.562 INCHES NOMINAL IN
Terminal Type and Quantity7 STANDOFF INSULATOR
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating50.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Voltage540.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length3.562 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current70.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3020-00-141-372425218 INTERCHANGEABLE
Gear Cluster
Southern Gear & Machine Inc
3020-00-593-81771038864 INTERCHANGEABLE
Coupling,lower
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2990-00-678-9815157E10-2169 INTERCHANGEABLE
Muffler,exhaust
Kurz & Root Generator Company, Llc
5120-01-367-3374 INTERCHANGEABLE
Wrench,box and Open End,combinat
Cross-Reference Index
Part NumberManufacturer
25218 Freed Transformer Co (USA)
TR1368 Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
3020-00-141-3724INTERCHANGEABLE
GEAR CLUSTER
25218
3020-00-593-8177INTERCHANGEABLE
COUPLING,LOWER
1038864
2990-00-678-9815INTERCHANGEABLE
MUFFLER,EXHAUST
157E10-2169
5120-01-367-3374INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT

Frequently Asked Questions

What is NSN 5950-00-647-6852?

NSN 5950-00-647-6852 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 5950-00-647-6852?

NSN 5950-00-647-6852 has 2 cross-referenced part numbers: 25218 (Freed Transformer Co), TR1368 (Bae Systems Information and Electronic Systems Integration Inc.).

What NSN replaces 5950-00-647-6852?

There are 4 known substitutes for 5950-00-647-6852: 3020-00-141-3724, 3020-00-593-8177, 2990-00-678-9815 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25218?

Key specifications for 25218: Reliability Indicator: NOT ESTABLISHED; Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY. 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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