PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4220Transformer,power

Whiteford Laboratory Inc · NSN 5950-00-513-6456 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-513-6456 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-513-6456. Primary manufacturer part number: B4220.
Features
  • Transformer,power — FSC 5950
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Body Width: 3.000 INCHES NOMINAL IN
  • Terminal Type and Quantity: 4 STANDOFF INSULATOR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-513-6456, 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 Whiteford Laboratory Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5950-00-513-6456
Primary Part NumberB4220
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerWhiteford Laboratory Inc
StatusACTIVE
Thread Quantity Per Inch32 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Body Width3.000 INCHES NOMINAL IN
Terminal Type and Quantity4 STANDOFF INSULATOR
Winding Operating Current1.2 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Height3.375 INCHES NOMINAL IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Voltage10.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Length3.500 INCHES NOMINAL IN
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeHERMETICALLY SEALED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-151-956728156-28317 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5977-00-930-0895B4220 INTERCHANGEABLE
Brush Segment Lh
Kollmorgen Corp
Cross-Reference Index
Part NumberManufacturer
B4220 Whiteford Laboratory Inc (USA)
Related Parts
3110-00-151-9567INTERCHANGEABLE
BEARING,ROLLER,TAPERED
28156-28317
5977-00-930-0895INTERCHANGEABLE
BRUSH SEGMENT LH
B4220

Frequently Asked Questions

What is NSN 5950-00-513-6456?

NSN 5950-00-513-6456 is a Transformer,power, manufactured by Whiteford Laboratory Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-513-6456?

NSN 5950-00-513-6456 has 1 cross-referenced part number: B4220 (Whiteford Laboratory Inc).

What NSN replaces 5950-00-513-6456?

There are 2 known substitutes for 5950-00-513-6456: 3110-00-151-9567, 5977-00-930-0895. Verify interchangeability with system specifications before substitution.

What are the specifications of B4220?

Key specifications for B4220: Thread Quantity Per Inch: 32 SINGLE GROUP; Center to Center Distance Between Mounting Facilities Parallel to Width: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 19 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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