PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E13858Transformer,power

Electro Engineering Works Inc · NSN 5950-00-583-4447 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-583-4447 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-583-4447. Primary manufacturer part number: E13858.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 33.375 INCHES NOMINAL IN
  • Frequency Rating: 50.0 HERTZ NOMINAL AND 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 5.20 AC KILOVOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
  • Body Width: 32.750 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-583-4447, 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 Electro Engineering Works Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5950-00-583-4447
Primary Part NumberE13858
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerElectro Engineering Works Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Length33.375 INCHES NOMINAL IN
Frequency Rating50.0 HERTZ NOMINAL AND 60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage5.20 AC KILOVOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Body Width32.750 INCHES NOMINAL IN
Terminal Type and Quantity14 THREADED STUD
Winding Power Rating53.5 KILOVOLT-AMPERES SINGLE COMPONENT ALL SECONDARY
Transformer Winding Connection TypeDELTA-DELTA AND WYE-WYE
Winding Operating Voltage200.00 AC VOLTS NOMINAL AND 210.00 AC VOLTS NOMINAL AND 220.00 AC VOLTS NOMINAL AND 230.00 AC VOLTS NOMINAL AND 240.00 AC VOLTS NOMINAL AND 250.00 AC VOLTS NOMINAL AND 346.00 AC VOLTS NOMINAL AND 364.00 AC VOLTS NOMINAL AND 381.00 AC VOLTS NOMINAL AND 398.00 AC VOLTS NOMINAL AND 415.00 AC VOLTS NOMINAL AND 433.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage550.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Body Height18.375 INCHES NOMINAL IN
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4510-00-031-7634520 INTERCHANGEABLE
Faucet,double
Delta Faucet Co
3110-00-100-365672187 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3455-00-194-051710140 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
3431-00-688-97972304-0135 INTERCHANGEABLE
Collet,welding Torch
Messer Llc
3040-00-947-8385 INTERCHANGEABLE
Shaft,straight
5950-01-011-4795100-5-017 INTERCHANGEABLE
Transformer,power
Meggitt (new Hampshire), Inc
5330-01-073-0926 INTERCHANGEABLE
Packing Assembly
5310-01-085-3069L30259 INTERCHANGEABLE
Washer
Cnh Industrial America Llc Dba Cnh America
5330-01-237-7548 INTERCHANGEABLE
Seal,plain Encased
3040-01-254-1170SR-107GLH INTERCHANGEABLE
Ball Joint
Cablecraft Motion Controls Llc
Cross-Reference Index
Part NumberManufacturer
40135 Coltec Industries Inc Central Moloney Transformer Div (USA)
E13858 PRIMARY Electro Engineering Works Inc (USA)
Related Parts
4510-00-031-7634INTERCHANGEABLE
FAUCET,DOUBLE
520
3110-00-100-3656INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
72187
3455-00-194-0517INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10140
3431-00-688-9797INTERCHANGEABLE
COLLET,WELDING TORCH
2304-0135
3040-00-947-8385INTERCHANGEABLE
SHAFT,STRAIGHT
5950-01-011-4795INTERCHANGEABLE
TRANSFORMER,POWER
100-5-017
5330-01-073-0926INTERCHANGEABLE
PACKING ASSEMBLY
5310-01-085-3069INTERCHANGEABLE
WASHER
L30259
5330-01-237-7548INTERCHANGEABLE
SEAL,PLAIN ENCASED
3040-01-254-1170INTERCHANGEABLE
BALL JOINT
SR-107GLH
4730-01-521-4312INTERCHANGEABLE
PACKING NUT
40135
6685-01-561-6484INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING

Frequently Asked Questions

What is NSN 5950-00-583-4447?

NSN 5950-00-583-4447 is a Transformer,power, manufactured by Electro Engineering Works Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-583-4447?

NSN 5950-00-583-4447 has 2 cross-referenced part numbers: 40135 (Coltec Industries Inc Central Moloney Transformer Div), E13858 (Electro Engineering Works Inc).

What NSN replaces 5950-00-583-4447?

There are 12 known substitutes for 5950-00-583-4447: 4510-00-031-7634, 3110-00-100-3656, 3455-00-194-0517 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E13858?

Key specifications for E13858: Reliability Indicator: NOT ESTABLISHED; Body Length: 33.375 INCHES NOMINAL IN; Frequency Rating: 50.0 HERTZ NOMINAL AND 60.0 HERTZ NOMINAL SINGLE COMPONENT; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT. 16 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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