PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

347678-1Transformer,power

Raytheon Company Dba Raytheon · NSN 5950-01-186-9402 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-186-9402 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-186-9402. Primary manufacturer part number: 347678-1.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Transformer Winding Connection Type: WYE-DELTA
  • Criticality Code Justification: AGAV
  • Body Width: 3.430 INCHES MAXIMUM IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Height: 2.300 INCHES MAXIMUM IN
  • Winding Operating Current: 9.2 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-186-9402, 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 Raytheon Company Dba Raytheon. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5950-01-186-9402
Primary Part Number347678-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Transformer Winding Connection TypeWYE-DELTA
Criticality Code JustificationAGAV
Body Width3.430 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height2.300 INCHES MAXIMUM IN
Winding Operating Current9.2 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Body Length4.120 INCHES MAXIMUM IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity17 TAB, SOLDER LUG
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Thread Series DesignatorUNJC SINGLE GROUP
Winding Operating Current2.6 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Winding Operating Current100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Thread Quantity Per Inch32 SINGLE GROUP
Winding Shielding MethodINTERNALLY SHIELDED SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Maximum Operating Temp85.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5930-00-116-2718 INTERCHANGEABLE
Switch,thermostatic
5930-01-025-27737-0460-1 INTERCHANGEABLE
Switch,rotary
Atec Inc
5945-01-530-767870460-1 INTERCHANGEABLE
Relay,electromagnetic
Applied Companies
Cross-Reference Index
Part NumberManufacturer
347678-1 Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
347678-1 PRIMARY Raytheon Company Dba Raytheon (USA)
704601 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
347678-1 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
347678-1 Superior Magnetics (USA)
Related Parts
5930-00-116-2718INTERCHANGEABLE
SWITCH,THERMOSTATIC
5930-01-025-2773INTERCHANGEABLE
SWITCH,ROTARY
7-0460-1
5945-01-530-7678INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
70460-1

Frequently Asked Questions

What is NSN 5950-01-186-9402?

NSN 5950-01-186-9402 is a Transformer,power, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-186-9402?

NSN 5950-01-186-9402 has 5 cross-referenced part numbers: 347678-1 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems), 347678-1 (Raytheon Company Dba Raytheon), 704601 (Electronic Transformer Corp Div Electronic Transformer Corporation), 347678-1 (Electronic Transformer Corp Div Electronic Transformer Corporation), 347678-1 (Superior Magnetics).

What NSN replaces 5950-01-186-9402?

There are 3 known substitutes for 5950-01-186-9402: 5930-00-116-2718, 5930-01-025-2773, 5945-01-530-7678. Verify interchangeability with system specifications before substitution.

What are the specifications of 347678-1?

Key specifications for 347678-1: Reliability Indicator: NOT ESTABLISHED; Transformer Winding Connection Type: WYE-DELTA; Criticality Code Justification: AGAV; Body Width: 3.430 INCHES MAXIMUM IN. 27 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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