PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4009470Transformer,audio Frequency

Department of the Army Hq United States Army Communications Research and Development Command · NSN 5950-01-137-2290 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-137-2290 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-137-2290. Primary manufacturer part number: B4009470.
Features
  • Transformer,audio Frequency — FSC 5950
  • Terminal Type and Quantity: 4 PIN
  • Body Length: 0.609 INCHES MAXIMUM IN
  • Maximum Operating Temp: 130.0 CELSIUS DEGC
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Frequency Rating: 300.0 HERTZ MINIMUM AND 3.5 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Body Outside Diameter: 1.000 INCHES MAXIMUM IN
  • Primary to Secondary Turn Ratio: 1 TO 1 SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-137-2290, 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 Department of the Army Hq United States Army Communications Research and Development Command. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN5950-01-137-2290
Primary Part NumberB4009470
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerDepartment of the Army Hq United States Army Communications Research and Development Command
StatusACTIVE
Terminal Type and Quantity4 PIN
Body Length0.609 INCHES MAXIMUM IN
Maximum Operating Temp130.0 CELSIUS DEGC
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating300.0 HERTZ MINIMUM AND 3.5 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Outside Diameter1.000 INCHES MAXIMUM IN
Primary to Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Maximum Transformer Power Rating10.0 MILLIWATTS SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-162-51692824741 INTERCHANGEABLE
Transformer,radio Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-638-121713733 INTERCHANGEABLE
Nut,plain,round
Honeywell International Inc. Div Aerospace - Torrance
3030-01-734-339513733 INTERCHANGEABLE
Belt,v
Cepeda Associates, Inc. Dba Cepeda Associates Inc
Cross-Reference Index
Part NumberManufacturer
13733 Standex Electronics, Inc. (USA)
B4009470 Standex Electronics, Inc. (USA)
TW-64996 Magnetika (USA)
B4009470 Magnetika (USA)
B4009470 PRIMARY Department of the Army Hq United States Army Communications Research and Development Command (USA)
Related Parts
5950-00-162-5169INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
2824741
5310-00-638-1217INTERCHANGEABLE
NUT,PLAIN,ROUND
13733
3030-01-734-3395INTERCHANGEABLE
BELT,V
13733

Frequently Asked Questions

What is NSN 5950-01-137-2290?

NSN 5950-01-137-2290 is a Transformer,audio Frequency, manufactured by Department of the Army Hq United States Army Communications Research and Development Command, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-137-2290?

NSN 5950-01-137-2290 has 5 cross-referenced part numbers: 13733 (Standex Electronics, Inc.), B4009470 (Standex Electronics, Inc.), TW-64996 (Magnetika), B4009470 (Magnetika), B4009470 (Department of the Army Hq United States Army Communications Research and Development Command).

What NSN replaces 5950-01-137-2290?

There are 3 known substitutes for 5950-01-137-2290: 5950-00-162-5169, 5310-00-638-1217, 3030-01-734-3395. Verify interchangeability with system specifications before substitution.

What are the specifications of B4009470?

Key specifications for B4009470: Terminal Type and Quantity: 4 PIN; Body Length: 0.609 INCHES MAXIMUM IN; Maximum Operating Temp: 130.0 CELSIUS DEGC; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 11 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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