PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

290947-000Transformer,audio Frequency

Stromberg-Carlson Corp a Plessey Telecommunications Co · NSN 5950-00-648-1028 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-648-1028 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-648-1028. Primary manufacturer part number: 290947-000.
Features
  • Transformer,audio Frequency — FSC 5950
  • Terminal Type and Quantity: 5 TAB, SOLDER LUG
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.859 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Impedance Rating in Ohms: 9900.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Inclosure Type: HERMETICALLY SEALED
  • Impedance Rating in Ohms: 40.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-648-1028, 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 Stromberg-Carlson Corp a Plessey Telecommunications Co. Government technical data includes 21 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-648-1028
Primary Part Number290947-000
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerStromberg-Carlson Corp a Plessey Telecommunications Co
StatusCANCELLED
Terminal Type and Quantity5 TAB, SOLDER LUG
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Width1.859 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Impedance Rating in Ohms9900.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeHERMETICALLY SEALED
Impedance Rating in Ohms40.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length3.062 INCHES NOMINAL IN
Body Width2.625 INCHES NOMINAL IN
Winding Operating Current1.8 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Series DesignatorUNF SINGLE GROUP
Body Height4.250 INCHES NOMINAL IN
Maximum Transformer Power Rating125.0 WATTS SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length2.297 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating200.0 HERTZ MINIMUM AND 8.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current105.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Primary to Secondary Turn Ratio1 TO 15-8/10 SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6145-01-080-92948991 INTERCHANGEABLE
Cable,power,electrical
Rscc Wire & Cable Llc Dba Marmon Industrial Energy & Infrastructure - East Granby
Cross-Reference Index
Part NumberManufacturer
290947-000 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
W1778 Cen Electronics a Div of Chloride Power Electronics Inc (USA)
290947-000 PRIMARY Stromberg-Carlson Corp a Plessey Telecommunications Co (USA)
T1929 United Transformer Corp Sub of Opt Industries Inc (USA)
T1929 Magnetika Inc (USA)
Related Parts
6145-01-080-9294INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
8991

Frequently Asked Questions

What is NSN 5950-00-648-1028?

NSN 5950-00-648-1028 is a Transformer,audio Frequency, manufactured by Stromberg-Carlson Corp a Plessey Telecommunications Co, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-648-1028?

NSN 5950-00-648-1028 has 5 cross-referenced part numbers: 290947-000 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), W1778 (Cen Electronics a Div of Chloride Power Electronics Inc), 290947-000 (Stromberg-Carlson Corp a Plessey Telecommunications Co), T1929 (United Transformer Corp Sub of Opt Industries Inc), T1929 (Magnetika Inc).

What NSN replaces 5950-00-648-1028?

There is 1 known substitute for 5950-00-648-1028: 6145-01-080-9294. Verify interchangeability with system specifications before substitution.

What are the specifications of 290947-000?

Key specifications for 290947-000: Terminal Type and Quantity: 5 TAB, SOLDER LUG; Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN; Reliability Indicator: NOT ESTABLISHED; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.859 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-648-1028 still in active supply?

NSN 5950-00-648-1028 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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