PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20945Transformer,power

Emerson Electric Co White-Rodgers Div · NSN 5950-00-849-6747 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-849-6747 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-849-6747. Primary manufacturer part number: 20945.
Features
  • Transformer,power — FSC 5950
  • Maximum Operating Temp: 85.0 CELSIUS DEGC
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Voltage: 102.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Operating Voltage: 6.20 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE 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 5950-00-849-6747, 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 Emerson Electric Co White-Rodgers Div. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5950-00-849-6747
Primary Part Number20945
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerEmerson Electric Co White-Rodgers Div
StatusACTIVE
Maximum Operating Temp85.0 CELSIUS DEGC
Reliability IndicatorNOT ESTABLISHED
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage102.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage6.20 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Mounting Facility Quantity2 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Operating Current1.5 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity5 TAB, SOLDER LUG
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Distance Between Mounting Facility Centers1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5340-00-009-7625 INTERCHANGEABLE
Bracket,angle
8040-00-264-681614210 INTERCHANGEABLE
Adhesive
Illinois Tool Works Inc. Dba Illinois Tool Works Inc
5935-00-526-046068-05100-0502 INTERCHANGEABLE
Cover,electrical Connector
Elbitamerica, Inc.
4720-01-172-30972960783 INTERCHANGEABLE
Hose,preformed
Chrysler Corp Service and Parts Opns
5950-01-519-18472KK855 INTERCHANGEABLE
Coil,electrical
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
20945 Emerson Electric Co White-Rodgers Div (USA)
672-0002-00 Alcatel-Lucent Holdings Inc. (USA)
S501730 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
672-0002-000 Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. (USA)
672-0002-000 Alcatel-Lucent Holdings Inc. (USA)
Related Parts
5340-00-009-7625INTERCHANGEABLE
BRACKET,ANGLE
8040-00-264-6816INTERCHANGEABLE
ADHESIVE
14210
5935-00-526-0460INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
68-05100-0502
4720-01-172-3097INTERCHANGEABLE
HOSE,PREFORMED
2960783
5950-01-519-1847INTERCHANGEABLE
COIL,ELECTRICAL
2KK855

Frequently Asked Questions

What is NSN 5950-00-849-6747?

NSN 5950-00-849-6747 is a Transformer,power, manufactured by Emerson Electric Co White-Rodgers Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-849-6747?

NSN 5950-00-849-6747 has 5 cross-referenced part numbers: 20945 (Emerson Electric Co White-Rodgers Div), 672-0002-00 (Alcatel-Lucent Holdings Inc.), S501730 (Electronic Transformer Corp Div Electronic Transformer Corporation), 672-0002-000 (Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc.), 672-0002-000 (Alcatel-Lucent Holdings Inc.).

What NSN replaces 5950-00-849-6747?

There are 5 known substitutes for 5950-00-849-6747: 5340-00-009-7625, 8040-00-264-6816, 5935-00-526-0460 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20945?

Key specifications for 20945: Maximum Operating Temp: 85.0 CELSIUS DEGC; Overall Width: 1.312 INCHES MAXIMUM IN; Overall Length: 1.312 INCHES MAXIMUM IN; Overall Height: 1.750 INCHES MAXIMUM IN. 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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