PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B218T46Transformer,audio Frequency

Virginia Electronics Co Inc · NSN 5950-00-020-9003 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-020-9003 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-020-9003. Primary manufacturer part number: B218T46.
Features
  • Transformer,audio Frequency — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Body Height: 1.750 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Inclosure Type: HERMETICALLY SEALED
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Distance Between Mounting Facility Centers: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-020-9003, 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 Virginia Electronics Co Inc. Government technical data includes 21 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-020-9003
Primary Part NumberB218T46
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerVirginia Electronics Co Inc
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Body Height1.750 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Distance Between Mounting Facility Centers1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Transformer FunctionLINE
Body Length1.312 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Frequency Rating300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current60.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Primary to Secondary Turn Ratio1 TO 4-9/10 SINGLE COMPONENT
Maximum Transformer Power Rating18.0 DECIBELS SINGLE COMPONENT
Terminal Type and Quantity5 SOLDER STUD
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Impedance Rating in Ohms25.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Width1.312 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-291-639713716 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
486-17 Transformers Inc (USA)
B218T46 PRIMARY Virginia Electronics Co Inc (USA)
486-17 Renco Electronics Inc Dba Coils Unlimited (USA)
Related Parts
5330-00-291-6397INTERCHANGEABLE
SEAL,PLAIN ENCASED
13716

Frequently Asked Questions

What is NSN 5950-00-020-9003?

NSN 5950-00-020-9003 is a Transformer,audio Frequency, manufactured by Virginia Electronics Co Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-020-9003?

NSN 5950-00-020-9003 has 3 cross-referenced part numbers: 486-17 (Transformers Inc), B218T46 (Virginia Electronics Co Inc), 486-17 (Renco Electronics Inc Dba Coils Unlimited).

What NSN replaces 5950-00-020-9003?

There is 1 known substitute for 5950-00-020-9003: 5330-00-291-6397. Verify interchangeability with system specifications before substitution.

What are the specifications of B218T46?

Key specifications for B218T46: Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Mounting Facility Quantity: 2 SINGLE GROUP; Body Height: 1.750 INCHES NOMINAL IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP. 21 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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