PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST-100ATransformer,power

Tegam, Inc. · NSN 5950-00-679-5019 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-679-5019 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-679-5019. Primary manufacturer part number: ST-100A.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
  • Inclosure Type: HERMETICALLY SEALED
  • Terminal Type and Quantity: 4 THREADED STUD
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Width: 3.688 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 5950-00-679-5019, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-679-5019
Primary Part NumberST-100A
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTegam, Inc.
StatusACTIVE
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Terminal Type and Quantity4 THREADED STUD
Center to Center Distance Between Mounting Facilities Parallel to Width2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width3.688 INCHES NOMINAL IN
Mounting Facility Quantity6 SINGLE GROUP
Winding Operating Current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length4.500 INCHES NOMINAL IN
Body Height4.312 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2940-00-845-545642689 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
6610-00-886-501842689 INTERCHANGEABLE
Trim Knob
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
3455-01-168-255342689 INTERCHANGEABLE
Cutter,milling,end
Kennametal Inc. Div Kennametal Industrial Products Group
5962-01-178-248442689 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
4940-01-284-3487ST-100/A INTERCHANGEABLE
Service Kit,refrigerant
Refrigerant Recovery Systems Inc
4250-01-371-8470ST-100A-USN INTERCHANGEABLE
Reclaimer,refrigerant
Refrigerant Recovery Systems Inc
Cross-Reference Index
Part NumberManufacturer
ST-100A Tegam, Inc. (USA)
42689 Coast/advanced Chip Magnetics, Inc. (USA)
ST-100A Eaton Corp Electronic Instrumentation Div Los Angeles Plant (USA)
Related Parts
2940-00-845-5456INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42689
6610-00-886-5018INTERCHANGEABLE
TRIM KNOB
42689
3455-01-168-2553INTERCHANGEABLE
CUTTER,MILLING,END
42689
5962-01-178-2484INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42689
4940-01-284-3487INTERCHANGEABLE
SERVICE KIT,REFRIGERANT
ST-100/A
4250-01-371-8470INTERCHANGEABLE
RECLAIMER,REFRIGERANT
ST-100A-USN

Frequently Asked Questions

What is NSN 5950-00-679-5019?

NSN 5950-00-679-5019 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 5950-00-679-5019?

NSN 5950-00-679-5019 has 3 cross-referenced part numbers: ST-100A (Tegam, Inc.), 42689 (Coast/advanced Chip Magnetics, Inc.), ST-100A (Eaton Corp Electronic Instrumentation Div Los Angeles Plant).

What NSN replaces 5950-00-679-5019?

There are 6 known substitutes for 5950-00-679-5019: 2940-00-845-5456, 6610-00-886-5018, 3455-01-168-2553 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST-100A?

Key specifications for ST-100A: Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT; Inclosure Type: HERMETICALLY SEALED; Terminal Type and Quantity: 4 THREADED STUD. 17 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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