PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B5154Transformer,audio Frequency

Magnetika Inc · NSN 5950-00-239-9509 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-239-9509 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-239-9509. Primary manufacturer part number: B5154.
Features
  • Transformer,audio Frequency — FSC 5950
  • Body Outside Diameter: 2.625 INCHES NOMINAL IN
  • Impedance Rating in Ohms: 8000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Primary to Secondary Turn Ratio: 1 TO 48.5 SINGLE COMPONENT
  • Frequency Rating: 70.0 HERTZ MINIMUM AND 9.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Winding Operating Current: 100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Inclosure Type: HERMETICALLY SEALED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-239-9509, 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 Magnetika 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-239-9509
Primary Part NumberB5154
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetika Inc
StatusACTIVE
Body Outside Diameter2.625 INCHES NOMINAL IN
Impedance Rating in Ohms8000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Primary to Secondary Turn Ratio1 TO 48.5 SINGLE COMPONENT
Frequency Rating70.0 HERTZ MINIMUM AND 9.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeHERMETICALLY SEALED
Body Length3.250 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity4 SINGLE GROUP
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Terminal Type and Quantity6 STANDOFF, SOLDER LUG
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Impedance Rating in Ohms3.4 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting Hole Diameter0.170 INCHES NOMINAL SINGLE GROUP IN
Maximum Transformer Power Rating14.0 WATTS SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-155-73190042810 INTERCHANGEABLE
Bearing,roller,cylindrical
New Holland Construction
4720-00-270-39761AB5154 INTERCHANGEABLE
Hose,preformed
Fwd Seagrave Holdings Lp
Cross-Reference Index
Part NumberManufacturer
B5154 United Transformer Corp Sub of Opt Industries Inc (USA)
B5154 PRIMARY Magnetika Inc (USA)
SCC27213 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
3110-00-155-7319INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
0042810
4720-00-270-3976INTERCHANGEABLE
HOSE,PREFORMED
1AB5154

Frequently Asked Questions

What is NSN 5950-00-239-9509?

NSN 5950-00-239-9509 is a Transformer,audio Frequency, manufactured by Magnetika Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-239-9509?

NSN 5950-00-239-9509 has 3 cross-referenced part numbers: B5154 (United Transformer Corp Sub of Opt Industries Inc), B5154 (Magnetika Inc), SCC27213 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5950-00-239-9509?

There are 2 known substitutes for 5950-00-239-9509: 3110-00-155-7319, 4720-00-270-3976. Verify interchangeability with system specifications before substitution.

What are the specifications of B5154?

Key specifications for B5154: Body Outside Diameter: 2.625 INCHES NOMINAL IN; Impedance Rating in Ohms: 8000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Primary to Secondary Turn Ratio: 1 TO 48.5 SINGLE COMPONENT; Frequency Rating: 70.0 HERTZ MINIMUM AND 9.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. 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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