PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20445Transformer,power

General Dynamics Mission Systems, Inc. · NSN 5950-00-646-1743 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-646-1743 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-646-1743. Primary manufacturer part number: 20445.
Features
  • Transformer,power — FSC 5950
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Winding Operating Voltage: 700.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Inclosure Type: HERMETICALLY SEALED
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Height: 4.125 INCHES NOMINAL IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 1.6 KILOHERTZ MAXIMUM SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-646-1743, 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 General Dynamics Mission Systems, Inc.. Government technical data includes 16 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-646-1743
Primary Part Number20445
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc.
StatusACTIVE
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage700.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeHERMETICALLY SEALED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Height4.125 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating50.0 HERTZ MINIMUM AND 1.6 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Width3.438 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current135.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Length3.469 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity5 SOLDER STUD
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5935-00-221-910320445 INTERCHANGEABLE
Connector,receptacle,electrical
Raytheon Company Dba Raytheon
5305-00-434-4228 INTERCHANGEABLE
Screw
5120-00-473-78115163166 INTERCHANGEABLE
Wrench,valve Adjust
U S Army Tank Automotive Command Amsta-Im-Mm
5935-00-588-08572876174 INTERCHANGEABLE
Connector,plug,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5975-00-952-1791 INTERCHANGEABLE
Rod,ground
6515-01-210-9530204.045 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5330-01-222-982299120445 INTERCHANGEABLE
Gasket
Alfa Laval Inc
Cross-Reference Index
Part NumberManufacturer
20445 PRIMARY General Dynamics Mission Systems, Inc. (USA)
Related Parts
5935-00-221-9103INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
20445
5305-00-434-4228INTERCHANGEABLE
SCREW
5120-00-473-7811INTERCHANGEABLE
WRENCH,VALVE ADJUST
5163166
5935-00-588-0857INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2876174
5975-00-952-1791INTERCHANGEABLE
ROD,GROUND
6515-01-210-9530INTERCHANGEABLE
SCREW,BONE
204.045
5330-01-222-9822INTERCHANGEABLE
GASKET
99120445

Frequently Asked Questions

What is NSN 5950-00-646-1743?

NSN 5950-00-646-1743 is a Transformer,power, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-646-1743?

NSN 5950-00-646-1743 has 1 cross-referenced part number: 20445 (General Dynamics Mission Systems, Inc.).

What NSN replaces 5950-00-646-1743?

There are 7 known substitutes for 5950-00-646-1743: 5935-00-221-9103, 5305-00-434-4228, 5120-00-473-7811 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20445?

Key specifications for 20445: Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP; Winding Operating Voltage: 700.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Inclosure Type: HERMETICALLY SEALED; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 16 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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