PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST103Transformer,power

Tegam, Inc. · NSN 5950-01-004-5255 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-004-5255 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-004-5255. Primary manufacturer part number: ST103.
Features
  • Transformer,power — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • Terminal Type and Quantity: 2 BANANA PLUG AND 3 STANDOFF, THREADED STUD
  • Frequency Rating: 200.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Body Length: 3.100 INCHES MAXIMUM IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Height: 2.000 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-004-5255, 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 Tegam, Inc.. Government technical data includes 8 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-004-5255
Primary Part NumberST103
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTegam, Inc.
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity2 BANANA PLUG AND 3 STANDOFF, THREADED STUD
Frequency Rating200.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Length3.100 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Height2.000 INCHES MAXIMUM IN
Body Width1.570 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4140-00-560-7103 INTERCHANGEABLE
Bearing Support Tool
5945-00-902-1701SAD4401 INTERCHANGEABLE
Solenoid,electrical
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
ST103 Tegam, Inc. (USA)
ST103 Eaton Corp Electronic Instrumentation Div Los Angeles Plant (USA)
Related Parts
4140-00-560-7103INTERCHANGEABLE
BEARING SUPPORT TOOL
5945-00-902-1701INTERCHANGEABLE
SOLENOID,ELECTRICAL
SAD4401

Frequently Asked Questions

What is NSN 5950-01-004-5255?

NSN 5950-01-004-5255 is a Transformer,power, manufactured by Tegam, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-004-5255?

NSN 5950-01-004-5255 has 2 cross-referenced part numbers: ST103 (Tegam, Inc.), ST103 (Eaton Corp Electronic Instrumentation Div Los Angeles Plant).

What NSN replaces 5950-01-004-5255?

There are 2 known substitutes for 5950-01-004-5255: 4140-00-560-7103, 5945-00-902-1701. Verify interchangeability with system specifications before substitution.

What are the specifications of ST103?

Key specifications for ST103: Inclosure Type: FULLY INCLOSED; Terminal Type and Quantity: 2 BANANA PLUG AND 3 STANDOFF, THREADED STUD; Frequency Rating: 200.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT; Body Length: 3.100 INCHES MAXIMUM IN. 8 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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