PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST213Transformer,audio Frequency

Eaton Corp Electronic Instrumentation Div · NSN 5950-00-052-5813 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-052-5813 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-052-5813. Primary manufacturer part number: ST213.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Terminal Type and Quantity: 6 BINDING POST
  • Impedance Rating in Ohms: 250000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Inclosure Type: HERMETICALLY SEALED WITH OIL
  • Body Length: 3.562 INCHES NOMINAL IN
  • Body Width: 3.250 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-052-5813, 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 Eaton Corp Electronic Instrumentation Div. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-052-5813
Primary Part NumberST213
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerEaton Corp Electronic Instrumentation Div
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Length3.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity6 BINDING POST
Impedance Rating in Ohms250000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeHERMETICALLY SEALED WITH OIL
Body Length3.562 INCHES NOMINAL IN
Body Width3.250 INCHES NOMINAL IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Height4.350 INCHES NOMINAL IN
Mounting Hole Diameter0.218 INCHES NOMINAL SINGLE GROUP IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Primary to Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating50.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-554-3197 INTERCHANGEABLE
Bearing,ball,annular
4920-00-711-9307ST583 INTERCHANGEABLE
Fixture,holding,cylinder
Cummins Inc.
6625-00-916-3122ST213 INTERCHANGEABLE
Isolationxtransform
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
ST213 Eaton Corp Electronic Instrumentation Div (USA)
ST-213 Magnatronix Corporation (USA)
ST-213 Tegam, Inc. (USA)
CCAPST213 Naval Ship Systems Command (USA)
ST-213 Eaton Corp Electronic Instrumentation Div Los Angeles Plant (USA)
Related Parts
3110-00-554-3197INTERCHANGEABLE
BEARING,BALL,ANNULAR
4920-00-711-9307INTERCHANGEABLE
FIXTURE,HOLDING,CYLINDER
ST583
6625-00-916-3122INTERCHANGEABLE
ISOLATIONXTRANSFORM
ST213

Frequently Asked Questions

What is NSN 5950-00-052-5813?

NSN 5950-00-052-5813 is a Transformer,audio Frequency, manufactured by Eaton Corp Electronic Instrumentation Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-052-5813?

NSN 5950-00-052-5813 has 5 cross-referenced part numbers: ST213 (Eaton Corp Electronic Instrumentation Div), ST-213 (Magnatronix Corporation), ST-213 (Tegam, Inc.), CCAPST213 (Naval Ship Systems Command), ST-213 (Eaton Corp Electronic Instrumentation Div Los Angeles Plant).

What NSN replaces 5950-00-052-5813?

There are 3 known substitutes for 5950-00-052-5813: 3110-00-554-3197, 4920-00-711-9307, 6625-00-916-3122. Verify interchangeability with system specifications before substitution.

What are the specifications of ST213?

Key specifications for ST213: Reliability Indicator: NOT ESTABLISHED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Terminal Type and Quantity: 6 BINDING POST; Impedance Rating in Ohms: 250000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com