PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20401Transformer,power

Magnetika Inc Div Magnetika/phillipsburg Location · NSN 5950-00-645-5100 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-5100 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-5100. Primary manufacturer part number: 20401.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Function and Quantity: 1 PRIMARY AND 6 SECONDARY SINGLE COMPONENT
  • Body Width: 2.562 INCHES NOMINAL IN
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Body Length: 2.750 INCHES NOMINAL IN
  • Terminal Type and Quantity: 15 TAB, SOLDER LUG
  • Body Height: 2.938 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-645-5100, 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 Magnetika Inc Div Magnetika/phillipsburg Location. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-5100
Primary Part Number20401
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetika Inc Div Magnetika/phillipsburg Location
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 6 SECONDARY SINGLE COMPONENT
Body Width2.562 INCHES NOMINAL IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Body Length2.750 INCHES NOMINAL IN
Terminal Type and Quantity15 TAB, SOLDER LUG
Body Height2.938 INCHES NOMINAL IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Frequency Rating380.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length2.188 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.531 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeOPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-198-262614256P11 INTERCHANGEABLE
Bearing,roller,self-Aligning
Taylor Machine Works Inc
3120-00-375-2877 INTERCHANGEABLE
Bushing Pump Shaft
5961-00-467-1782 INTERCHANGEABLE
Semiconductor Devices,unitized
5940-00-518-79801226979-1 INTERCHANGEABLE
Terminal,stud
Honeywell Intl Inc Defense Avionics Systems
1660-00-656-877220401 INTERCHANGEABLE
Oxygen System,aircraft Survival
Avox Systems Inc Dba Avox Systems Inc
5975-01-055-51605032 INTERCHANGEABLE
Coupling,electrical Conduit
Abb Installation Products Inc
9540-01-085-4004 INTERCHANGEABLE
Angle,structural
4720-01-317-491020401 INTERCHANGEABLE
Hose,preformed
Gates Corporation
6240-01-344-9532F9TT/27K INTERCHANGEABLE
Lamp,fluorescent
Gte Products Corp Sylvania Miniature Lighting Div
5120-01-393-388920401 INTERCHANGEABLE
Locator,timing Line
Deere & Co
Cross-Reference Index
Part NumberManufacturer
20401 PRIMARY Magnetika Inc Div Magnetika/phillipsburg Location (USA)
TR1429 Bae Systems Information and Electronic Systems Integration Inc. (USA)
B7409930PT1 PRIMARY General Electric Company (USA)
20401 Opt Industries Inc Div of Electronika Inc (USA)
Related Parts
3110-00-198-2626INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
14256P11
3120-00-375-2877INTERCHANGEABLE
BUSHING PUMP SHAFT
5961-00-467-1782INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
5940-00-518-7980INTERCHANGEABLE
TERMINAL,STUD
1226979-1
1660-00-656-8772INTERCHANGEABLE
OXYGEN SYSTEM,AIRCRAFT SURVIVAL
20401
5975-01-055-5160INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
5032
9540-01-085-4004INTERCHANGEABLE
ANGLE,STRUCTURAL
4720-01-317-4910INTERCHANGEABLE
HOSE,PREFORMED
20401
6240-01-344-9532INTERCHANGEABLE
LAMP,FLUORESCENT
F9TT/27K
5120-01-393-3889INTERCHANGEABLE
LOCATOR,TIMING LINE
20401
6510-01-549-5706INTERCHANGEABLE
DRESSING,BURN
20401
1005-01-554-0752INTERCHANGEABLE
COVER,EJECTION PORT
20401

Frequently Asked Questions

What is NSN 5950-00-645-5100?

NSN 5950-00-645-5100 is a Transformer,power, manufactured by Magnetika Inc Div Magnetika/phillipsburg Location, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-5100?

NSN 5950-00-645-5100 has 4 cross-referenced part numbers: 20401 (Magnetika Inc Div Magnetika/phillipsburg Location), TR1429 (Bae Systems Information and Electronic Systems Integration Inc.), B7409930PT1 (General Electric Company), 20401 (Opt Industries Inc Div of Electronika Inc).

What NSN replaces 5950-00-645-5100?

There are 12 known substitutes for 5950-00-645-5100: 3110-00-198-2626, 3120-00-375-2877, 5961-00-467-1782 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20401?

Key specifications for 20401: Reliability Indicator: NOT ESTABLISHED; Winding Function and Quantity: 1 PRIMARY AND 6 SECONDARY SINGLE COMPONENT; Body Width: 2.562 INCHES NOMINAL IN; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT. 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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