PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2678509Transformer,power

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-147-9662 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-147-9662 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-147-9662. Primary manufacturer part number: 2678509.
Features
  • Transformer,power — FSC 5950
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: HERMETICALLY SEALED
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Function and Quantity: 1 PRIMARY AND 4 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 5950-00-147-9662, 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 26 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-147-9662
Primary Part Number2678509
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Winding Operating Current5.0 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current250.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Winding Operating Current5.0 AMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Body Height5.250 INCHES NOMINAL IN
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Body Width3.375 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage16.70 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage38.10 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Winding Operating Voltage18.10 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Body Length3.938 INCHES NOMINAL IN
Winding Operating Current3.0 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Terminal Type and Quantity15 TURRET
Thread Series DesignatorUNF SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating60.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Voltage8.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5960-00-247-8748 INTERCHANGEABLE
Electron Tube
5935-00-258-3002SG1964 INTERCHANGEABLE
Connector,receptacle,electrical
Aimtron Systems, Llc
2910-00-361-5409005-842 INTERCHANGEABLE
Spray Tip,nozzle,nonaircraft Fue
Cooper Machinery Services Llc
4730-00-489-28345842-5 INTERCHANGEABLE
Restrictor,fluid Flow
Goodrich Aerospace Canada Ltd
5960-00-615-5573 INTERCHANGEABLE
Electron Tube
5950-00-647-6742 INTERCHANGEABLE
Transformer,power
3120-00-662-8861851070 INTERCHANGEABLE
Bearing,sleeve
Dana Off Highway Products, Llc
5935-00-832-82065842 INTERCHANGEABLE
Shell,electrical Connector
Anderson Airmotive Inc
5998-01-102-1364 INTERCHANGEABLE
Circuit Card Assembly
2540-01-155-51095842 INTERCHANGEABLE
Arm,support,mirror
Chantilly Development Corporation Dba Acme Specialty Mfg Co Div Acme Specialty Mfg.
Cross-Reference Index
Part NumberManufacturer
2678509 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
ST29509 Sterling Transformer Corp (USA)
5842 Signal Transformer Co Inc (USA)
Related Parts
5960-00-247-8748INTERCHANGEABLE
ELECTRON TUBE
5935-00-258-3002INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SG1964
2910-00-361-5409INTERCHANGEABLE
SPRAY TIP,NOZZLE,NONAIRCRAFT FUE
005-842
4730-00-489-2834INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
5842-5
5960-00-615-5573INTERCHANGEABLE
ELECTRON TUBE
5950-00-647-6742INTERCHANGEABLE
TRANSFORMER,POWER
3120-00-662-8861INTERCHANGEABLE
BEARING,SLEEVE
851070
5935-00-832-8206INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
5842
5998-01-102-1364INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2540-01-155-5109INTERCHANGEABLE
ARM,SUPPORT,MIRROR
5842
5835-01-184-6878INTERCHANGEABLE
RECORDER-REPRODUCER,SOUND
5842
6105-01-361-6447INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
E9150

Frequently Asked Questions

What is NSN 5950-00-147-9662?

NSN 5950-00-147-9662 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 5950-00-147-9662?

NSN 5950-00-147-9662 has 3 cross-referenced part numbers: 2678509 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), ST29509 (Sterling Transformer Corp), 5842 (Signal Transformer Co Inc).

What NSN replaces 5950-00-147-9662?

There are 12 known substitutes for 5950-00-147-9662: 5960-00-247-8748, 5935-00-258-3002, 2910-00-361-5409 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2678509?

Key specifications for 2678509: Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT; Mounting Method: THREADED STUD(S) SINGLE GROUP; Reliability Indicator: NOT ESTABLISHED; Inclosure Type: HERMETICALLY SEALED. 26 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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