PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3189Saturable Reactor

A M I/ Coast Magnetics Inc. Dba Coast Magnetics · NSN 5950-01-123-4923 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-123-4923 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-123-4923. Primary manufacturer part number: 3189.
Features
  • Saturable Reactor — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • Body Length: 0.775 INCHES MAXIMUM IN
  • Test Data Document: 18876-13090446 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • Body Outside Diameter: 1.650 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 12 PIN
  • Winding Operating Voltage: 8.50 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
  • Winding Function and Quantity: 2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Saturable Reactor, cataloged under National Stock Number 5950-01-123-4923, 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 A M I/ Coast Magnetics Inc. Dba Coast Magnetics. Government technical data includes 12 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-123-4923
Primary Part Number3189
Item NameSaturable Reactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerA M I/ Coast Magnetics Inc. Dba Coast Magnetics
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Body Length0.775 INCHES MAXIMUM IN
Test Data Document18876-13090446 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Body Outside Diameter1.650 INCHES MAXIMUM IN
Terminal Type and Quantity12 PIN
Winding Operating Voltage8.50 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Winding Function and Quantity2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Maximum Operating Temp105.0 CELSIUS DEGC
Frequency Rating20.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Saturation Current Rating1.2 AMPERES
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5945-00-258-3187A11-2 INTERCHANGEABLE
Relay,electromagnetic
Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial
6610-00-464-6759PL103 INTERCHANGEABLE
Plate,indicator
Mahr Inc
5915-00-577-902298JX30 INTERCHANGEABLE
Filter,radio Frequency Interfere
Sprague Electric Co World Hqs
2590-00-615-27523189 INTERCHANGEABLE
Brack T,coupling So
Abm Equipment, Llc
6210-00-702-9347B6798AGRS INTERCHANGEABLE
Light,beacon
Carlisle & Finch Co
2805-00-962-8842993P INTERCHANGEABLE
Piston,internal Combustion Engin
Federal-Mogul Corp Government Sales Dept
5950-00-978-4433 INTERCHANGEABLE
Coil,radio Frequency
2910-00-987-489733189 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
3120-01-019-2505 INTERCHANGEABLE
Bearing,washer,thrust
5330-01-175-10483189 INTERCHANGEABLE
Gasket
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Cross-Reference Index
Part NumberManufacturer
3189 PRIMARY A M I/ Coast Magnetics Inc. Dba Coast Magnetics (USA)
13090446 Us Army Aviation and Missile Command (USA)
Related Parts
5945-00-258-3187INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
A11-2
6610-00-464-6759INTERCHANGEABLE
PLATE,INDICATOR
PL103
5915-00-577-9022INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
98JX30
2590-00-615-2752INTERCHANGEABLE
BRACK T,COUPLING SO
3189
6210-00-702-9347INTERCHANGEABLE
LIGHT,BEACON
B6798AGRS
2805-00-962-8842INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
993P
5950-00-978-4433INTERCHANGEABLE
COIL,RADIO FREQUENCY
2910-00-987-4897INTERCHANGEABLE
FILTER ELEMENT,FLUID
33189
3120-01-019-2505INTERCHANGEABLE
BEARING,WASHER,THRUST
5330-01-175-1048INTERCHANGEABLE
GASKET
3189
5910-01-193-5170INTERCHANGEABLE
CAPACITOR
4510-01-208-7209INTERCHANGEABLE
WATER CLOSET
091-1605

Frequently Asked Questions

What is NSN 5950-01-123-4923?

NSN 5950-01-123-4923 is a Saturable Reactor, manufactured by A M I/ Coast Magnetics Inc. Dba Coast Magnetics, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-123-4923?

NSN 5950-01-123-4923 has 2 cross-referenced part numbers: 3189 (A M I/ Coast Magnetics Inc. Dba Coast Magnetics), 13090446 (Us Army Aviation and Missile Command).

What NSN replaces 5950-01-123-4923?

There are 12 known substitutes for 5950-01-123-4923: 5945-00-258-3187, 6610-00-464-6759, 5915-00-577-9022 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3189?

Key specifications for 3189: Inclosure Type: FULLY INCLOSED; Body Length: 0.775 INCHES MAXIMUM IN; Test Data Document: 18876-13090446 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING); Body Outside Diameter: 1.650 INCHES MAXIMUM IN. 12 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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