PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

139803Transformer,power

Dover Corp Groen Div · NSN 5950-01-515-8403 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-515-8403 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-515-8403. Primary manufacturer part number: 139803.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 230.00 AC VOLTS NOMINAL AND 380.00 AC VOLTS NOMINAL AND 400.00 AC VOLTS NOMINAL AND 440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Operating Current: 3.125 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Operating Voltage: 24.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Inclosure Type: FULLY INCLOSED
  • Reliability Indicator: NOT ESTABLISHED
  • 1 verified cross-reference
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-515-8403, 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 Dover Corp Groen Div. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-515-8403
Primary Part Number139803
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerDover Corp Groen Div
StatusACTIVE
Winding Operating Voltage230.00 AC VOLTS NOMINAL AND 380.00 AC VOLTS NOMINAL AND 400.00 AC VOLTS NOMINAL AND 440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Current3.125 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage24.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeFULLY INCLOSED
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2520-00-347-43495-3-108X INTERCHANGEABLE
Yoke,universal Joint,vehicular
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
Cross-Reference Index
Part NumberManufacturer
139803 PRIMARY Dover Corp Groen Div (USA)
Related Parts
2520-00-347-4349INTERCHANGEABLE
YOKE,UNIVERSAL JOINT,VEHICULAR
5-3-108X

Frequently Asked Questions

What is NSN 5950-01-515-8403?

NSN 5950-01-515-8403 is a Transformer,power, manufactured by Dover Corp Groen Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-515-8403?

NSN 5950-01-515-8403 has 1 cross-referenced part number: 139803 (Dover Corp Groen Div).

What NSN replaces 5950-01-515-8403?

There is 1 known substitute for 5950-01-515-8403: 2520-00-347-4349. Verify interchangeability with system specifications before substitution.

What are the specifications of 139803?

Key specifications for 139803: Winding Operating Voltage: 230.00 AC VOLTS NOMINAL AND 380.00 AC VOLTS NOMINAL AND 400.00 AC VOLTS NOMINAL AND 440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Winding Operating Current: 3.125 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Winding Operating Voltage: 24.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY. 7 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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