PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FC12Reactor

Ferranti Electric Inc · NSN 5950-00-581-9898 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-581-9898 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-581-9898. Primary manufacturer part number: FC12.
Features
  • Reactor — FSC 5950
  • Body Width: 3.062 INCHES NOMINAL IN
  • Winding Operating Current: 150.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Winding Quantity: 1 SINGLE COMPONENT
  • Body Length: 3.562 INCHES NOMINAL IN
  • DC Resistance Rating in Ohms: 120.000 SINGLE COMPONENT SINGLE WINDING
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: HERMETICALLY SEALED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-581-9898, 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 Ferranti Electric Inc. Government technical data includes 19 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
NSN5950-00-581-9898
Primary Part NumberFC12
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFerranti Electric Inc
StatusACTIVE
Body Width3.062 INCHES NOMINAL IN
Winding Operating Current150.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Winding Quantity1 SINGLE COMPONENT
Body Length3.562 INCHES NOMINAL IN
DC Resistance Rating in Ohms120.000 SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeHERMETICALLY SEALED
Thread Quantity Per Inch32 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Mounting Facility Quantity4 SINGLE GROUP
Inductance Rating10.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Height3.875 INCHES NOMINAL IN
Terminal Type and Quantity2 STANDOFF INSULATOR
Center to Center Distance Between Mounting Facilities Parallel to Width2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Inductance TypeFIXED
Center to Center Distance Between Mounting Facilities Parallel to Length2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5920-00-548-3126 INTERCHANGEABLE
Fuse,cartridge
2530-00-734-8094 INTERCHANGEABLE
Cap
6020-01-182-7168FC12 INTERCHANGEABLE
Cable Assembly,single Bundle,fib
Gyrus Acmi L.p. Dba Circon-Acmi Div
2520-01-255-43932863263 INTERCHANGEABLE
Clutch,positive,vehicular
Chrysler Corp Service and Parts Opns
5340-01-383-4856FC-12 INTERCHANGEABLE
Plug,protective,dust and Moistur
Caplugs Llc Dba Mokon Div Caplugs
6515-01-559-8720FC12 INTERCHANGEABLE
Cannula,suction Needle
Ipas
Cross-Reference Index
Part NumberManufacturer
FC12 Ferranti Electric Inc (USA)
FC12 Protran Co Inc (USA)
Related Parts
5920-00-548-3126INTERCHANGEABLE
FUSE,CARTRIDGE
2530-00-734-8094INTERCHANGEABLE
CAP
6020-01-182-7168INTERCHANGEABLE
CABLE ASSEMBLY,SINGLE BUNDLE,FIB
FC12
2520-01-255-4393INTERCHANGEABLE
CLUTCH,POSITIVE,VEHICULAR
2863263
5340-01-383-4856INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
FC-12
6515-01-559-8720INTERCHANGEABLE
CANNULA,SUCTION NEEDLE
FC12

Frequently Asked Questions

What is NSN 5950-00-581-9898?

NSN 5950-00-581-9898 is a Reactor, manufactured by Ferranti Electric Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-581-9898?

NSN 5950-00-581-9898 has 2 cross-referenced part numbers: FC12 (Ferranti Electric Inc), FC12 (Protran Co Inc).

What NSN replaces 5950-00-581-9898?

There are 6 known substitutes for 5950-00-581-9898: 5920-00-548-3126, 2530-00-734-8094, 6020-01-182-7168 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FC12?

Key specifications for FC12: Body Width: 3.062 INCHES NOMINAL IN; Winding Operating Current: 150.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING; Winding Quantity: 1 SINGLE COMPONENT; Body Length: 3.562 INCHES NOMINAL IN. 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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