PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2187398-5Reactor

L3 Technologies, Inc. Div Communication Systems-East · NSN 5950-00-154-3834 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-154-3834 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-154-3834. Primary manufacturer part number: 2187398-5.
Features
  • Reactor — FSC 5950
  • Mounting Facility Quantity: 1 SINGLE GROUP
  • Inductance Type: FIXED
  • Reliability Indicator: NOT ESTABLISHED
  • DC Resistance Rating in Ohms: 0.020 SINGLE COMPONENT SINGLE WINDING
  • Thread Series Designator: UNF SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Thread Quantity Per Inch: 32 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-154-3834, 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 L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 16 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-154-3834
Primary Part Number2187398-5
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div Communication Systems-East
StatusACTIVE
Mounting Facility Quantity1 SINGLE GROUP
Inductance TypeFIXED
Reliability IndicatorNOT ESTABLISHED
DC Resistance Rating in Ohms0.020 SINGLE COMPONENT SINGLE WINDING
Thread Series DesignatorUNF SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Thread Quantity Per Inch32 SINGLE GROUP
Mounting MethodCORE AND THREADED HOLE(S) SINGLE GROUP
Winding Quantity1 SINGLE COMPONENT
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Body Outside Diameter2.000 INCHES MAXIMUM IN
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Body Length1.000 INCHES MAXIMUM IN
Inductance Rating0.10 MICROHENRIES MINIMUM SINGLE COMPONENT SINGLE WINDING
Terminal Type and Quantity2 WIRE LEAD
Winding Operating Current1.0 AMPERES DC MINIMUM SINGLE COMPONENT SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-275-661601901 INTERCHANGEABLE
Washer,spring Tension
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5930-01-054-290301901 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
5130-01-244-4088 INTERCHANGEABLE
Adapter,abrasive Disk
6515-01-581-001901901 INTERCHANGEABLE
Forceps,endoscopic
Smith & Nephew Inc Div Sports Medicine/endoscopy/ent
Cross-Reference Index
Part NumberManufacturer
2187398-5 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
2187398-5 PRIMARY L3 Technologies, Inc. Div Communication Systems-East (USA)
01901 Magnetika Inc (USA)
TE12906 Transformer Engineers Co a Div of Standard Industries Inc (USA)
Related Parts
5310-00-275-6616INTERCHANGEABLE
WASHER,SPRING TENSION
01901
5930-01-054-2903INTERCHANGEABLE
SWITCH,LIQUID LEVEL
01901
5130-01-244-4088INTERCHANGEABLE
ADAPTER,ABRASIVE DISK
6515-01-581-0019INTERCHANGEABLE
FORCEPS,ENDOSCOPIC
01901

Frequently Asked Questions

What is NSN 5950-00-154-3834?

NSN 5950-00-154-3834 is a Reactor, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-154-3834?

NSN 5950-00-154-3834 has 4 cross-referenced part numbers: 2187398-5 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 2187398-5 (L3 Technologies, Inc. Div Communication Systems-East), 01901 (Magnetika Inc), TE12906 (Transformer Engineers Co a Div of Standard Industries Inc).

What NSN replaces 5950-00-154-3834?

There are 4 known substitutes for 5950-00-154-3834: 5310-00-275-6616, 5930-01-054-2903, 5130-01-244-4088 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2187398-5?

Key specifications for 2187398-5: Mounting Facility Quantity: 1 SINGLE GROUP; Inductance Type: FIXED; Reliability Indicator: NOT ESTABLISHED; DC Resistance Rating in Ohms: 0.020 SINGLE COMPONENT SINGLE WINDING. 16 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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