PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2678617Transformer,power

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-147-7525 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-147-7525 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-147-7525. Primary manufacturer part number: 2678617.
Features
  • Transformer,power — FSC 5950
  • Input-Output Phase Relationship: THREE PHASE TO THREE PHASE SINGLE COMPONENT
  • Transformer Winding Connection Type: WYE-DELTA
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Maximum Transformer Power Rating: 12.0 DECIBELS SINGLE COMPONENT
  • Frequency Rating: 400.0 HERTZ NOMINAL 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 5950-00-147-7525, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-147-7525
Primary Part Number2678617
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Transformer Winding Connection TypeWYE-DELTA
Mounting Facility Quantity4 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Maximum Transformer Power Rating12.0 DECIBELS SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Length3.375 INCHES NOMINAL AND 3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity21 TAB, SOLDER LUG
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 6 SECONDARY SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4510-00-138-2130 INTERCHANGEABLE
Handle and Cartridge
5950-00-238-868951A461 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
2805-00-354-6309A8-285 INTERCHANGEABLE
Piston,internal Combustion Engin
Dresser Industries Inc Leroi Div
1680-00-670-8272487-7 INTERCHANGEABLE
Gear,actuator
Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc
5120-01-073-5189GS15945-1 INTERCHANGEABLE
Punch,pilot
Hamilton Sundstrand Corporation Dba Collins Aerospace
2910-01-498-49374877 INTERCHANGEABLE
Carburetor Assembly
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
5915-01-549-1506A-8285 INTERCHANGEABLE
Filter,radio Frequency Interfere
The Captor Corporation
4520-01-592-84364877 INTERCHANGEABLE
Heating Element,electrical,nonim
Alto-Shaam, Inc
Cross-Reference Index
Part NumberManufacturer
C9826 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
A8285 Autodyne Manufacturing Co Inc (USA)
BX-9388 Baltimore Transformer Co (USA)
2678617REVD Naval Sea Systems Command (USA)
4877 Precision Electronics, Inc (USA)
2678617 Northrop Grumman Systems Corporation (USA)
2678617 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
5788A Northrop Grumman Systems Corporation (USA)
K-6138 Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA)
5788A Signal Transformer Co Inc (USA)
Related Parts
4510-00-138-2130INTERCHANGEABLE
HANDLE AND CARTRIDGE
5950-00-238-8689INTERCHANGEABLE
COIL,RADIO FREQUENCY
51A461
2805-00-354-6309INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
A8-285
1680-00-670-8272INTERCHANGEABLE
GEAR,ACTUATOR
487-7
5120-01-073-5189INTERCHANGEABLE
PUNCH,PILOT
GS15945-1
2910-01-498-4937INTERCHANGEABLE
CARBURETOR ASSEMBLY
4877
5915-01-549-1506INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
A-8285
4520-01-592-8436INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
4877

Frequently Asked Questions

What is NSN 5950-00-147-7525?

NSN 5950-00-147-7525 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 5950-00-147-7525?

NSN 5950-00-147-7525 has 10 cross-referenced part numbers: C9826 (Electronic Transformer Corp Div Electronic Transformer Corporation), A8285 (Autodyne Manufacturing Co Inc), BX-9388 (Baltimore Transformer Co), 2678617REVD (Naval Sea Systems Command), 4877 (Precision Electronics, Inc) and 5 more.

What NSN replaces 5950-00-147-7525?

There are 8 known substitutes for 5950-00-147-7525: 4510-00-138-2130, 5950-00-238-8689, 2805-00-354-6309 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2678617?

Key specifications for 2678617: Input-Output Phase Relationship: THREE PHASE TO THREE PHASE SINGLE COMPONENT; Transformer Winding Connection Type: WYE-DELTA; Mounting Facility Quantity: 4 SINGLE GROUP; Overall Length: 4.490 INCHES MINIMUM AND 4.510 INCHES MAXIMUM 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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