PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T20C53Reactor

Thordarson Inc · NSN 5950-00-245-5687 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-245-5687 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-245-5687. Primary manufacturer part number: T20C53.
Features
  • Reactor — FSC 5950
  • Terminal Type and Quantity: 2 WIRE LEAD2 WIRE LEAD
  • DC Resistance Rating in Ohms: 375.000 SINGLE COMPONENT SINGLE WINDING375.000 SINGLE COMPONENT SINGLE WINDING
  • Inductance Rating: 12.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING12.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Distance Between Mounting Facility Centers: 2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Height: 2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN
  • Mounting Method: FLANGE AND FLANGE AND UNTHREADED HOLE(S) SINGLE GROUPUNTHREADED HOLE(S) SINGLE GROUP
  • Body Width: 2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-245-5687, 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 Thordarson Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-245-5687
Primary Part NumberT20C53
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerThordarson Inc
StatusCANCELLED
Terminal Type and Quantity2 WIRE LEAD2 WIRE LEAD
DC Resistance Rating in Ohms375.000 SINGLE COMPONENT SINGLE WINDING375.000 SINGLE COMPONENT SINGLE WINDING
Inductance Rating12.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING12.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
Distance Between Mounting Facility Centers2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN
Mounting MethodFLANGE AND FLANGE AND UNTHREADED HOLE(S) SINGLE GROUPUNTHREADED HOLE(S) SINGLE GROUP
Body Width2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDINGELECTRICAL SINGLE COMPONENT SINGLE WINDING
Winding Quantity1 SINGLE COMPONENT1 SINGLE COMPONENT
Winding Operating Current80.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING80.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Body Length3.250 INCHES NOMINAL3.250 INCHES NOMINAL IN
Inclosure TypeOPENOPEN
Mounting Facility Quantity2 SINGLE GROUP2 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHEDNOT ESTABLISHED
Inductance TypeFIXEDFIXED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5950-00-245-5695SC-B-36367 INTERCHANGEABLE
Reactor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5910-00-270-51760E50-755A INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Plastic Capacitors Inc
5330-00-505-3712 INTERCHANGEABLE
Seal,plain Encased
Cross-Reference Index
Part NumberManufacturer
T20C53 PRIMARY Thordarson Inc (USA)
LF2 PRIMARY New London Instrument Co (USA)
B8554 Raytheon Company (USA)
639-10 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
T20C53 Components Corp of America (USA)
Related Parts
5950-00-245-5695INTERCHANGEABLE
REACTOR
SC-B-36367
5910-00-270-5176INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
0E50-755A
5330-00-505-3712INTERCHANGEABLE
SEAL,PLAIN ENCASED

Frequently Asked Questions

What is NSN 5950-00-245-5687?

NSN 5950-00-245-5687 is a Reactor, manufactured by Thordarson Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-245-5687?

NSN 5950-00-245-5687 has 5 cross-referenced part numbers: T20C53 (Thordarson Inc), LF2 (New London Instrument Co), B8554 (Raytheon Company), 639-10 (Electronic Transformer Corp Div Electronic Transformer Corporation), T20C53 (Components Corp of America).

What NSN replaces 5950-00-245-5687?

There are 3 known substitutes for 5950-00-245-5687: 5950-00-245-5695, 5910-00-270-5176, 5330-00-505-3712. Verify interchangeability with system specifications before substitution.

What are the specifications of T20C53?

Key specifications for T20C53: Terminal Type and Quantity: 2 WIRE LEAD2 WIRE LEAD; DC Resistance Rating in Ohms: 375.000 SINGLE COMPONENT SINGLE WINDING375.000 SINGLE COMPONENT SINGLE WINDING; Inductance Rating: 12.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING12.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING; Distance Between Mounting Facility Centers: 2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-245-5687 still in active supply?

NSN 5950-00-245-5687 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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