PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4021500Transformer,power

Department of the Army Hq United States Army Communications Research and Development Command · NSN 5950-01-219-3048 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-219-3048 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-219-3048. Primary manufacturer part number: B4021500.
Features
  • Transformer,power — FSC 5950
  • Frequency Rating: 47.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
  • Winding Function and Quantity: 2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
  • Mounting Hole Diameter: 0.218 INCHES NOMINAL SINGLE GROUP IN
  • Body Width: 3.810 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-219-3048, 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 19 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-219-3048
Primary Part NumberB4021500
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerDepartment of the Army Hq United States Army Communications Research and Development Command
StatusACTIVE
Frequency Rating47.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Winding Function and Quantity2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Mounting Hole Diameter0.218 INCHES NOMINAL SINGLE GROUP IN
Body Width3.810 INCHES MAXIMUM IN
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Maximum Transformer Power Rating300.0 VOLT-AMPERE SINGLE COMPONENT
Body Height4.130 INCHES MAXIMUM IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Winding Operating Current10.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length4.560 INCHES MAXIMUM IN
Winding Operating Voltage26.00 DC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4720-00-197-284513784 INTERCHANGEABLE
Hose Assembly,nonmetallic
The Gorman-Rupp Company Div Gorman-Rupp
5950-00-454-604213784 INTERCHANGEABLE
Coil,radio Frequency
Vanguard Electronics, Llc
5133-00-838-5282 INTERCHANGEABLE
Drill,twist
5815-00-920-2493 INTERCHANGEABLE
Guide,bounce Preven
Cross-Reference Index
Part NumberManufacturer
L504001554 Lockheed Martin Librascope Corporation (USA)
13784 Magnespec Inc (USA)
B4021500 PRIMARY Department of the Army Hq United States Army Communications Research and Development Command (USA)
TBD-06453 Dbp Microwave Inc. Dba Dbp Microwave Inc. (USA)
04207 Magnetika Inc (USA)
Related Parts
4720-00-197-2845INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
13784
5950-00-454-6042INTERCHANGEABLE
COIL,RADIO FREQUENCY
13784
5133-00-838-5282INTERCHANGEABLE
DRILL,TWIST
5815-00-920-2493INTERCHANGEABLE
GUIDE,BOUNCE PREVEN

Frequently Asked Questions

What is NSN 5950-01-219-3048?

NSN 5950-01-219-3048 is a Transformer,power, 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 5950-01-219-3048?

NSN 5950-01-219-3048 has 5 cross-referenced part numbers: L504001554 (Lockheed Martin Librascope Corporation), 13784 (Magnespec Inc), B4021500 (Department of the Army Hq United States Army Communications Research and Development Command), TBD-06453 (Dbp Microwave Inc. Dba Dbp Microwave Inc.), 04207 (Magnetika Inc).

What NSN replaces 5950-01-219-3048?

There are 4 known substitutes for 5950-01-219-3048: 4720-00-197-2845, 5950-00-454-6042, 5133-00-838-5282 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B4021500?

Key specifications for B4021500: Frequency Rating: 47.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT; Inclosure Type: FULLY INCLOSED; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT; Winding Function and Quantity: 2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 20 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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