PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

662401Reactor

Electronic Transformer Corp Div Electronic Transformer Corporation · NSN 5950-00-678-0063 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-678-0063 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-678-0063. Primary manufacturer part number: 662401.
Features
  • Reactor — FSC 5950
  • Inductance Type: SWINGING
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Quantity: 1 SINGLE COMPONENT
  • DC Resistance Rating in Ohms: 3.000 SINGLE COMPONENT SINGLE WINDING
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-678-0063, 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 Electronic Transformer Corp Div Electronic Transformer Corporation. Government technical data includes 19 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-678-0063
Primary Part Number662401
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerElectronic Transformer Corp Div Electronic Transformer Corporation
StatusACTIVE
Inductance TypeSWINGING
Thread Quantity Per Inch32 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Reliability IndicatorNOT ESTABLISHED
Winding Quantity1 SINGLE COMPONENT
DC Resistance Rating in Ohms3.000 SINGLE COMPONENT SINGLE WINDING
Mounting Facility Quantity4 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current100.0 MILLIAMPERES DC MINIMUM AND 1.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Terminal Type and Quantity2 TAB, SOLDER LUG
Body Length1.938 INCHES NOMINAL IN
Body Width1.812 INCHES NOMINAL IN
Body Height2.438 INCHES NOMINAL IN
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Inductance Rating100.00 MILLIHENRIES MINIMUM AND 400.00 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-083-1960662401 INTERCHANGEABLE
Gasket
L3harris Mas Inc Div L3harris Mas Inc.
5999-00-990-88372016987-0701 INTERCHANGEABLE
Contact,electrical
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
662401 PRIMARY Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
A2221762 L3harris Technologies, Inc. (USA)
Related Parts
5330-00-083-1960INTERCHANGEABLE
GASKET
662401
5999-00-990-8837INTERCHANGEABLE
CONTACT,ELECTRICAL
2016987-0701

Frequently Asked Questions

What is NSN 5950-00-678-0063?

NSN 5950-00-678-0063 is a Reactor, manufactured by Electronic Transformer Corp Div Electronic Transformer Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-678-0063?

NSN 5950-00-678-0063 has 2 cross-referenced part numbers: 662401 (Electronic Transformer Corp Div Electronic Transformer Corporation), A2221762 (L3harris Technologies, Inc.).

What NSN replaces 5950-00-678-0063?

There are 2 known substitutes for 5950-00-678-0063: 5330-00-083-1960, 5999-00-990-8837. Verify interchangeability with system specifications before substitution.

What are the specifications of 662401?

Key specifications for 662401: Overall Height: 2.876 INCHES NOMINAL IN; Inductance Type: SWINGING; Overall Width: 1.812 INCHES NOMINAL IN; Thread Quantity Per Inch: 32 SINGLE GROUP. 22 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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