PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120B125Transformer,audio Frequency

Federal Signal International FSC Ltd Div Electrical Products · NSN 5950-00-482-8728 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-482-8728 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-482-8728. Primary manufacturer part number: 120B125.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
  • Body Height: 1.438 INCHES NOMINAL1.438 INCHES NOMINAL IN
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Mounting Hole Diameter: 0.172 INCHES NOMINAL SINGLE GROUP IN
  • Impedance Rating in Ohms: 20.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Impedance Rating in Ohms: 200.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-482-8728, 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 Federal Signal International FSC Ltd Div Electrical Products. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-482-8728
Primary Part Number120B125
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFederal Signal International FSC Ltd Div Electrical Products
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Width0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
Body Height1.438 INCHES NOMINAL1.438 INCHES NOMINAL IN
Mounting Facility Quantity2 SINGLE GROUP
Mounting Hole Diameter0.172 INCHES NOMINAL SINGLE GROUP IN
Impedance Rating in Ohms20.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Impedance Rating in Ohms200.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity5 WIRE LEAD5 WIRE LEAD
Distance Between Mounting Facility Centers1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Length1.156 INCHES NOMINAL1.156 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Inclosure TypeOPEN
Frequency Rating300.0 HERTZ MINIMUM AND 300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-403-9895120118 INTERCHANGEABLE
Packing,preformed
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5310-00-439-3362120118 INTERCHANGEABLE
Nut,sleeve
Astronautics Corporation of America
5331-01-115-8224 INTERCHANGEABLE
O-Ring
6515-01-156-2695120118 INTERCHANGEABLE
Support,knee
Ebi Llc Dba Biomet Spine & Bone Healing Technologies
Cross-Reference Index
Part NumberManufacturer
120-118 Federal Signal International FSC Ltd Div Electrical Products (USA)
120B125 PRIMARY Federal Signal International FSC Ltd Div Electrical Products (USA)
Related Parts
5330-00-403-9895INTERCHANGEABLE
PACKING,PREFORMED
120118
5310-00-439-3362INTERCHANGEABLE
NUT,SLEEVE
120118
5331-01-115-8224INTERCHANGEABLE
O-RING
6515-01-156-2695INTERCHANGEABLE
SUPPORT,KNEE
120118

Frequently Asked Questions

What is NSN 5950-00-482-8728?

NSN 5950-00-482-8728 is a Transformer,audio Frequency, manufactured by Federal Signal International FSC Ltd Div Electrical Products, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-482-8728?

NSN 5950-00-482-8728 has 2 cross-referenced part numbers: 120-118 (Federal Signal International FSC Ltd Div Electrical Products), 120B125 (Federal Signal International FSC Ltd Div Electrical Products).

What NSN replaces 5950-00-482-8728?

There are 4 known substitutes for 5950-00-482-8728: 5330-00-403-9895, 5310-00-439-3362, 5331-01-115-8224 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 120B125?

Key specifications for 120B125: Reliability Indicator: NOT ESTABLISHED; Body Width: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN; Body Height: 1.438 INCHES NOMINAL1.438 INCHES NOMINAL IN; Mounting Facility Quantity: 2 SINGLE GROUP. 14 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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