PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2281978Transformer,power Autotransforme

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-950-4441 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-950-4441 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-950-4441. Primary manufacturer part number: 2281978.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Terminal Type and Quantity: 3 THREADED STUD
  • Body Length: 1.810 INCHES NOMINAL IN
  • Winding Operating Voltage: 28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
  • Nominal Thread Size: 0.375 INCHES SINGLE GROUP IN
  • Mounting Method: THREADED BUSHING SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-950-4441, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-950-4441
Primary Part Number2281978
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity3 THREADED STUD
Body Length1.810 INCHES NOMINAL IN
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Nominal Thread Size0.375 INCHES SINGLE GROUP IN
Mounting MethodTHREADED BUSHING SINGLE GROUP
Body Outside Diameter2.000 INCHES NOMINAL IN
Winding Operating Voltage0.00 AC VOLTS MINIMUM AND 28.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Inclosure TypeFULLY INCLOSED
Winding Function and Quantity1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6240-00-914-5578 INTERCHANGEABLE
Lamp,incandescent
5342-00-929-820651253 INTERCHANGEABLE
Clip,retainer,coil
Mcculloch Corp
3455-01-042-4841 INTERCHANGEABLE
File,rotary
4330-01-046-696051253 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
8345-01-590-2113 INTERCHANGEABLE
Flag,defense Language Institute
Cross-Reference Index
Part NumberManufacturer
2281978 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
5-1253 Superior Electric Holding Group Llc Div Specialty Product Technologies (USA)
Related Parts
6240-00-914-5578INTERCHANGEABLE
LAMP,INCANDESCENT
5342-00-929-8206INTERCHANGEABLE
CLIP,RETAINER,COIL
51253
3455-01-042-4841INTERCHANGEABLE
FILE,ROTARY
4330-01-046-6960INTERCHANGEABLE
FILTER ELEMENT,FLUID
51253
8345-01-590-2113INTERCHANGEABLE
FLAG,DEFENSE LANGUAGE INSTITUTE

Frequently Asked Questions

What is NSN 5950-00-950-4441?

NSN 5950-00-950-4441 is a Transformer,power Autotransforme, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-950-4441?

NSN 5950-00-950-4441 has 2 cross-referenced part numbers: 2281978 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 5-1253 (Superior Electric Holding Group Llc Div Specialty Product Technologies).

What NSN replaces 5950-00-950-4441?

There are 5 known substitutes for 5950-00-950-4441: 6240-00-914-5578, 5342-00-929-8206, 3455-01-042-4841 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2281978?

Key specifications for 2281978: Reliability Indicator: NOT ESTABLISHED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Terminal Type and Quantity: 3 THREADED STUD; Body Length: 1.810 INCHES NOMINAL IN. 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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