PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20338Reactor

Raytheon Company Dba Raytheon · NSN 5950-00-243-0279 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-243-0279 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-243-0279. Primary manufacturer part number: 20338.
Features
  • Reactor — FSC 5950
  • Winding Quantity: 1 SINGLE COMPONENT1 SINGLE COMPONENT
  • Distance Between Mounting Facility Centers: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • DC Resistance Rating in Ohms: 115.000 SINGLE COMPONENT SINGLE WINDING115.000 SINGLE COMPONENT SINGLE WINDING
  • Inclosure Type: FULLY INCLOSEDFULLY INCLOSED
  • Winding Operating Current: 200.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING200.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUPUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Inductance Type: FIXEDFIXED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-243-0279, 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 Raytheon Company Dba Raytheon. Government technical data includes 16 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-243-0279
Primary Part Number20338
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Winding Quantity1 SINGLE COMPONENT1 SINGLE COMPONENT
Distance Between Mounting Facility Centers1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
DC Resistance Rating in Ohms115.000 SINGLE COMPONENT SINGLE WINDING115.000 SINGLE COMPONENT SINGLE WINDING
Inclosure TypeFULLY INCLOSEDFULLY INCLOSED
Winding Operating Current200.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING200.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUPUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inductance TypeFIXEDFIXED
Thread Quantity Per Inch32 SINGLE GROUP32 SINGLE GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP0.138 INCHES SINGLE GROUP IN
Terminal Type and Quantity2 TAB, SOLDER LUG2 TAB, SOLDER LUG
Mounting Facility Quantity2 SINGLE GROUP2 SINGLE GROUP
Inductance Rating4.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING4.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHEDNOT ESTABLISHED
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDINGELECTRICAL SINGLE COMPONENT SINGLE WINDING
Mounting MethodTHREADED HOLE(S) SINGLE GROUPTHREADED HOLE(S) SINGLE GROUP
Body Height2.250 INCHES NOMINAL2.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5305-00-150-9264 INTERCHANGEABLE
Screw,machine
5330-00-599-7724800-0130-3/8 INTERCHANGEABLE
Packing with Retainer
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
4820-00-879-925720338 INTERCHANGEABLE
Cartridge,check
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
3020-00-979-480820338 INTERCHANGEABLE
Pulley,groove
Eagle Crusher Co Inc Dba Stedman Machine Co
4820-01-073-5941A7364.001.145 INTERCHANGEABLE
Dog Bushing,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-074-658207447002108 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-120-051920338-1130 INTERCHANGEABLE
Cap,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-184-410720338L41SS INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
3020-01-203-125520338 INTERCHANGEABLE
Gear,spur
Twg Canada Consolidated Inc
4820-01-420-187720338 INTERCHANGEABLE
Valve,bleeder,hydraulic System
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
Cross-Reference Index
Part NumberManufacturer
20338 PRIMARY Raytheon Company Dba Raytheon (USA)
325C135 Lucas Machine Div of Litton Industrial Products Inc (USA)
Related Parts
5305-00-150-9264INTERCHANGEABLE
SCREW,MACHINE
5330-00-599-7724INTERCHANGEABLE
PACKING WITH RETAINER
800-0130-3/8
4820-00-879-9257INTERCHANGEABLE
CARTRIDGE,CHECK
20338
3020-00-979-4808INTERCHANGEABLE
PULLEY,GROOVE
20338
4820-01-073-5941INTERCHANGEABLE
DOG BUSHING,VALVE
A7364.001.145
4820-01-074-6582INTERCHANGEABLE
SEAT,VALVE
07447002108
4820-01-120-0519INTERCHANGEABLE
CAP,VALVE
20338-1130
4820-01-184-4107INTERCHANGEABLE
VALVE,SAFETY RELIEF
20338L41SS
3020-01-203-1255INTERCHANGEABLE
GEAR,SPUR
20338
4820-01-420-1877INTERCHANGEABLE
VALVE,BLEEDER,HYDRAULIC SYSTEM
20338
6640-01-590-0591INTERCHANGEABLE
TEST TUBE,BLOOD COLLECTING
362799

Frequently Asked Questions

What is NSN 5950-00-243-0279?

NSN 5950-00-243-0279 is a Reactor, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-243-0279?

NSN 5950-00-243-0279 has 2 cross-referenced part numbers: 20338 (Raytheon Company Dba Raytheon), 325C135 (Lucas Machine Div of Litton Industrial Products Inc).

What NSN replaces 5950-00-243-0279?

There are 11 known substitutes for 5950-00-243-0279: 5305-00-150-9264, 5330-00-599-7724, 4820-00-879-9257 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20338?

Key specifications for 20338: Winding Quantity: 1 SINGLE COMPONENT1 SINGLE COMPONENT; Overall Height: 2.500 INCHES NOMINAL2.500 INCHES NOMINAL IN; Distance Between Mounting Facility Centers: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; DC Resistance Rating in Ohms: 115.000 SINGLE COMPONENT SINGLE WINDING115.000 SINGLE COMPONENT SINGLE WINDING. 19 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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