PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5158-1Transformer,audio Frequency

Viking Technologies, Ltd. · NSN 5950-00-235-6843 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-235-6843 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-235-6843. Primary manufacturer part number: 5158-1.
Features
  • Transformer,audio Frequency — FSC 5950
  • Impedance Rating in Ohms: 10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Distance Between Mounting Facility Centers: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Impedance Rating in Ohms: 60.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
  • Primary to Secondary Turn Ratio: 1 TO 12.4 SINGLE COMPONENT
  • Body Width: 1.625 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-235-6843, 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 Viking Technologies, Ltd.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-235-6843
Primary Part Number5158-1
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerViking Technologies, Ltd.
StatusCANCELLED
Impedance Rating in Ohms10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Distance Between Mounting Facility Centers1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Impedance Rating in Ohms60.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Primary to Secondary Turn Ratio1 TO 12.4 SINGLE COMPONENT
Body Width1.625 INCHES NOMINAL IN
Thread Quantity Per Inch32 SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Terminal Type and Quantity5 STANDOFF, SOLDER LUG
Mounting Facility Quantity2 SINGLE GROUP
Body Height2.500 INCHES NOMINAL IN
Maximum Transformer Power Rating600.0 MILLIWATTS SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length1.625 INCHES NOMINAL IN
Frequency Rating350.0 HERTZ MINIMUM AND 3.5 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5930-00-087-4032 INTERCHANGEABLE
Switch,push
5120-00-227-740538637 INTERCHANGEABLE
Wrench,socket
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5340-00-356-3514 INTERCHANGEABLE
Standoff,threaded,spacing
5935-00-878-1515215-00462-8 INTERCHANGEABLE
Connector,plug,electrical
Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division
2940-00-892-6210170200 INTERCHANGEABLE
Filter Element,fluid
Cummins Inc.
5325-01-010-643651581 INTERCHANGEABLE
Grommet
Textron Lycoming Inc Williamsport Plant
Cross-Reference Index
Part NumberManufacturer
RC-7899-1 Itt Industries Inc Itt Aerospace Communications Div East (USA)
38637 Freed Transformer Co (USA)
2752A1 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
RC7899-1D Itt Industries Inc Itt Aerospace Communications Div East (USA)
RC-7899-1 L3harris Technologies, Inc. Dba Harris Corporation (USA)
5158-1 PRIMARY Viking Technologies, Ltd. (USA)
RC7899-1 U S Doe Co (USA)
Related Parts
5930-00-087-4032INTERCHANGEABLE
SWITCH,PUSH
5120-00-227-7405INTERCHANGEABLE
WRENCH,SOCKET
38637
5340-00-356-3514INTERCHANGEABLE
STANDOFF,THREADED,SPACING
5935-00-878-1515INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
215-00462-8
2940-00-892-6210INTERCHANGEABLE
FILTER ELEMENT,FLUID
170200
5325-01-010-6436INTERCHANGEABLE
GROMMET
51581

Frequently Asked Questions

What is NSN 5950-00-235-6843?

NSN 5950-00-235-6843 is a Transformer,audio Frequency, manufactured by Viking Technologies, Ltd., classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-235-6843?

NSN 5950-00-235-6843 has 7 cross-referenced part numbers: RC-7899-1 (Itt Industries Inc Itt Aerospace Communications Div East), 38637 (Freed Transformer Co), 2752A1 (Electronic Transformer Corp Div Electronic Transformer Corporation), RC7899-1D (Itt Industries Inc Itt Aerospace Communications Div East), RC-7899-1 (L3harris Technologies, Inc. Dba Harris Corporation) and 2 more.

What NSN replaces 5950-00-235-6843?

There are 6 known substitutes for 5950-00-235-6843: 5930-00-087-4032, 5120-00-227-7405, 5340-00-356-3514 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5158-1?

Key specifications for 5158-1: Impedance Rating in Ohms: 10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Distance Between Mounting Facility Centers: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Impedance Rating in Ohms: 60.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-235-6843 still in active supply?

NSN 5950-00-235-6843 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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