PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

522357Transformer,power

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-519-3444 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-519-3444 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-519-3444. Primary manufacturer part number: 522357.
Features
  • Transformer,power — FSC 5950
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Winding Operating Voltage: 1.112 AC KILOVOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Width: 3.000 INCHES NOMINAL IN
  • Nominal Thread Size: 0.164 INCHES SINGLE GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Current: 78.2 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-519-3444, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-519-3444
Primary Part Number522357
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage1.112 AC KILOVOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Width3.000 INCHES NOMINAL IN
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current78.2 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Terminal Type and Quantity5 TAB, SOLDER LUG
Center to Center Distance Between Mounting Facilities Parallel to Length3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height4.938 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Length3.500 INCHES NOMINAL IN
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeHERMETICALLY SEALED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4140-00-383-117743687 INTERCHANGEABLE
Fan,tubeaxial
L3harris Technologies, Inc Div Space & Airborne Systems
6105-00-457-8303 INTERCHANGEABLE
Motor,alternating Current
3020-00-608-640743687 INTERCHANGEABLE
Gear,spur
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
80G496 General Electric Company Dba Ge (USA)
43687 Freed Transformer Co (USA)
3002 Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA)
12Z13000PC9050 Naval Ordnance Standards (USA)
522357 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
4140-00-383-1177INTERCHANGEABLE
FAN,TUBEAXIAL
43687
6105-00-457-8303INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
3020-00-608-6407INTERCHANGEABLE
GEAR,SPUR
43687

Frequently Asked Questions

What is NSN 5950-00-519-3444?

NSN 5950-00-519-3444 is a Transformer,power, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-519-3444?

NSN 5950-00-519-3444 has 5 cross-referenced part numbers: 80G496 (General Electric Company Dba Ge), 43687 (Freed Transformer Co), 3002 (Keytronics, Inc. Div Api Technologies Corp- Magnetics), 12Z13000PC9050 (Naval Ordnance Standards), 522357 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5950-00-519-3444?

There are 3 known substitutes for 5950-00-519-3444: 4140-00-383-1177, 6105-00-457-8303, 3020-00-608-6407. Verify interchangeability with system specifications before substitution.

What are the specifications of 522357?

Key specifications for 522357: Mounting Method: THREADED STUD(S) SINGLE GROUP; Winding Operating Voltage: 1.112 AC KILOVOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Body Width: 3.000 INCHES NOMINAL IN. 18 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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