PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VT-1Transformer,power Autotransforme

Superior Electric Holding Group Llc Div Specialty Product Technologies · NSN 5950-00-933-0421 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-933-0421 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-933-0421. Primary manufacturer part number: VT-1.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Body Length: 1.812 INCHES NOMINAL IN
  • Nominal Thread Size: 0.375 INCHES SINGLE GROUP IN
  • Body Outside Diameter: 2.875 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-933-0421, 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 Superior Electric Holding Group Llc Div Specialty Product Technologies. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-933-0421
Primary Part NumberVT-1
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSuperior Electric Holding Group Llc Div Specialty Product Technologies
StatusCANCELLED
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch32 SINGLE GROUP
Body Length1.812 INCHES NOMINAL IN
Nominal Thread Size0.375 INCHES SINGLE GROUP IN
Body Outside Diameter2.875 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Thread Series DesignatorUNEF SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage120.00 AC VOLTS MINIMUM AND 132.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Mounting MethodTHREADED BUSHING SINGLE GROUP
Inclosure TypeOPEN
Winding Operating Voltage120.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT
Terminal Type and Quantity3 TAB, SOLDER LUG
Winding Operating Current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4310-00-497-5373VT1 INTERCHANGEABLE
Connecting Rod,piston
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5975-01-558-9751 INTERCHANGEABLE
Panel,blank
6509-01-612-861407-895-1638 INTERCHANGEABLE
Phenylbutazone Oral Paste,veteri
Patterson Veterinary Supply, Inc. Div Patterson Veterinary Supply
Cross-Reference Index
Part NumberManufacturer
VT1 Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA)
357 Standard Industries (USA)
722860-006 Raytheon Company Div Rmd Strategic (USA)
VT-1 PRIMARY Superior Electric Holding Group Llc Div Specialty Product Technologies (USA)
9051075 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
4057-77 ITEM 54 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
033-0165 Staco Energy Products Co Dba Staco Energy Products Co (USA)
8897 A M I/ Coast Magnetics Inc. Dba Coast Magnetics (USA)
722860-6 PRIMARY Raytheon Company Div Rmd Strategic (USA)
Related Parts
4310-00-497-5373INTERCHANGEABLE
CONNECTING ROD,PISTON
VT1
5975-01-558-9751INTERCHANGEABLE
PANEL,BLANK
6509-01-612-8614INTERCHANGEABLE
PHENYLBUTAZONE ORAL PASTE,VETERI
07-895-1638

Frequently Asked Questions

What is NSN 5950-00-933-0421?

NSN 5950-00-933-0421 is a Transformer,power Autotransforme, manufactured by Superior Electric Holding Group Llc Div Specialty Product Technologies, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-933-0421?

NSN 5950-00-933-0421 has 9 cross-referenced part numbers: VT1 (Ohmite Holding, L.l.c. Dba Ohmite Manufacturing), 357 (Standard Industries), 722860-006 (Raytheon Company Div Rmd Strategic), VT-1 (Superior Electric Holding Group Llc Div Specialty Product Technologies), 9051075 (Huntington Ingalls Inc Div Newport News Shipbuilding) and 4 more.

What NSN replaces 5950-00-933-0421?

There are 3 known substitutes for 5950-00-933-0421: 4310-00-497-5373, 5975-01-558-9751, 6509-01-612-8614. Verify interchangeability with system specifications before substitution.

What are the specifications of VT-1?

Key specifications for VT-1: Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED; Thread Quantity Per Inch: 32 SINGLE GROUP; Body Length: 1.812 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-933-0421 still in active supply?

NSN 5950-00-933-0421 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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