PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EN-39-1Transformer,power

Electrical Windings Inc · NSN 5950-00-804-6405 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-804-6405 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-804-6405. Primary manufacturer part number: EN-39-1.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 24.70 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Body Length: 7.062 INCHES NOMINAL IN
  • Mounting Method: BRACKET(S) AND SLOT SINGLE GROUP
  • Body Width: 6.125 INCHES NOMINAL IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Power Rating: 1.16 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE SECONDARY
  • Maximum Operating Temp: 125.0 CELSIUS DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-804-6405, 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 Electrical Windings Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5950-00-804-6405
Primary Part NumberEN-39-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerElectrical Windings Inc
StatusACTIVE
Winding Operating Voltage24.70 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Length7.062 INCHES NOMINAL IN
Mounting MethodBRACKET(S) AND SLOT SINGLE GROUP
Body Width6.125 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Power Rating1.16 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE SECONDARY
Maximum Operating Temp125.0 CELSIUS DEGC
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current46.7 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage110.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Length5.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height6.031 INCHES NOMINAL IN
Terminal Type and Quantity4 WIRE LEAD AND 2 TAB, SOLDER LUG
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Inclosure TypePARTIALLY INCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6230-00-163-18566230-00-163-1856 INTERCHANGEABLE
Flashlight
Sourceamerica
6230-00-270-54181617 INTERCHANGEABLE
Flashlight
Bright Star Industries Inc
3020-00-273-1450778161 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-01-371-5853778161 INTERCHANGEABLE
Valve,rotary,selector
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
EN-39-1 Electrical Windings Inc (USA)
778-161 Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
EN-39 Transformer Manufacturers, Inc. (USA)
EN-39 Electrical Windings Inc (USA)
Related Parts
6230-00-163-1856INTERCHANGEABLE
FLASHLIGHT
6230-00-163-1856
6230-00-270-5418INTERCHANGEABLE
FLASHLIGHT
1617
3020-00-273-1450INTERCHANGEABLE
GEAR,SPUR
778161
4820-01-371-5853INTERCHANGEABLE
VALVE,ROTARY,SELECTOR
778161

Frequently Asked Questions

What is NSN 5950-00-804-6405?

NSN 5950-00-804-6405 is a Transformer,power, manufactured by Electrical Windings Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-804-6405?

NSN 5950-00-804-6405 has 4 cross-referenced part numbers: EN-39-1 (Electrical Windings Inc), 778-161 (Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc), EN-39 (Transformer Manufacturers, Inc.), EN-39 (Electrical Windings Inc).

What NSN replaces 5950-00-804-6405?

There are 4 known substitutes for 5950-00-804-6405: 6230-00-163-1856, 6230-00-270-5418, 3020-00-273-1450 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of EN-39-1?

Key specifications for EN-39-1: Winding Operating Voltage: 24.70 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Body Length: 7.062 INCHES NOMINAL IN; Mounting Method: BRACKET(S) AND SLOT SINGLE GROUP; Body Width: 6.125 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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