PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

173981-000Saturable Reactor

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 5950-00-912-9545 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-912-9545 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-912-9545. Primary manufacturer part number: 173981-000.
Features
  • Saturable Reactor — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Quantity Per Inch: 40 SINGLE GROUP
  • Terminal Type and Quantity: 10 WIRE LEAD
  • Inclosure Type: FULLY INCLOSED
  • Mounting Facility Quantity: 1 SINGLE GROUP
  • Winding Operating Voltage: 18.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Saturable Reactor, cataloged under National Stock Number 5950-00-912-9545, 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 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 15 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-912-9545
Primary Part Number173981-000
Item NameSaturable Reactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch40 SINGLE GROUP
Terminal Type and Quantity10 WIRE LEAD
Inclosure TypeFULLY INCLOSED
Mounting Facility Quantity1 SINGLE GROUP
Winding Operating Voltage18.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Winding Function and Quantity1 PRIMARY AND 2 CONTROL SINGLE COMPONENT
DC Resistance Rating in Ohms0.420 SINGLE COMPONENT SECOND CONTROL
Body Outside Diameter0.875 INCHES NOMINAL IN
DC Resistance Rating in Ohms0.350 SINGLE COMPONENT FIRST CONTROL
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length0.500 INCHES MAXIMUM IN
Frequency Rating10.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-259-970640-402 INTERCHANGEABLE
Switch,toggle
Cognitive Resources Inc Dba Gamewell Co the
5940-00-500-9759 INTERCHANGEABLE
Terminal,lug
6210-00-660-80824H05-10 INTERCHANGEABLE
Lens,light
Korry Electronics Co
5940-00-836-35364040-2HTD INTERCHANGEABLE
Terminal,lug
Brainin-Advance Industries, Llc
5935-00-994-33894040-2 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Dri Relays Inc. Dba Dri Relays Inc
5998-01-362-553540402 INTERCHANGEABLE
Backplane Assembly
Motorola/codex Corp Sub of Motorola Inc
Cross-Reference Index
Part NumberManufacturer
40402 Freed Transformer Co (USA)
173981-000 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
Related Parts
5930-00-259-9706INTERCHANGEABLE
SWITCH,TOGGLE
40-402
5940-00-500-9759INTERCHANGEABLE
TERMINAL,LUG
6210-00-660-8082INTERCHANGEABLE
LENS,LIGHT
4H05-10
5940-00-836-3536INTERCHANGEABLE
TERMINAL,LUG
4040-2HTD
5935-00-994-3389INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
4040-2
5998-01-362-5535INTERCHANGEABLE
BACKPLANE ASSEMBLY
40402

Frequently Asked Questions

What is NSN 5950-00-912-9545?

NSN 5950-00-912-9545 is a Saturable Reactor, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-912-9545?

NSN 5950-00-912-9545 has 2 cross-referenced part numbers: 40402 (Freed Transformer Co), 173981-000 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems).

What NSN replaces 5950-00-912-9545?

There are 6 known substitutes for 5950-00-912-9545: 5930-00-259-9706, 5940-00-500-9759, 6210-00-660-8082 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 173981-000?

Key specifications for 173981-000: Reliability Indicator: NOT ESTABLISHED; Overall Length: 0.750 INCHES NOMINAL IN; Thread Quantity Per Inch: 40 SINGLE GROUP; Terminal Type and Quantity: 10 WIRE LEAD. 17 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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