PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C4993AReactor

Magnetika Inc · NSN 5950-00-645-5865 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-5865 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-5865. Primary manufacturer part number: C4993A.
Features
  • Reactor — FSC 5950
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • DC Resistance Rating in Ohms: 125.000 SINGLE COMPONENT SINGLE WINDING
  • Inductance Type: FIXED
  • Inclosure Type: HERMETICALLY SEALED
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-645-5865, 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 Magnetika Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-645-5865
Primary Part NumberC4993A
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetika Inc
StatusCANCELLED
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Mounting Facility Quantity4 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
DC Resistance Rating in Ohms125.000 SINGLE COMPONENT SINGLE WINDING
Inductance TypeFIXED
Inclosure TypeHERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Length1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Body Length2.750 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inductance Rating6.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
Winding Operating Current150.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Thread Quantity Per Inch32 SINGLE GROUP
Body Width1.875 INCHES MAXIMUM IN
Terminal Type and Quantity2 STANDOFF INSULATOR
Center to Center Distance Between Mounting Facilities Parallel to Width1.874 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Quantity1 SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Height2.875 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5815-00-127-19378448 INTERCHANGEABLE
Lever
Telemechanics Inc
4320-00-133-438660718 INTERCHANGEABLE
Parts Kit,hydraulic Pump
Parker Hannifin Corporation Div Hydraulic Systems Division
5330-00-191-83268448 INTERCHANGEABLE
Gasket
Eaton Corporation
5815-00-356-3422SC-C-78076-17 INTERCHANGEABLE
Keytop,keyboard
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6145-00-635-550714672 INTERCHANGEABLE
Cable,special Purpose,electrical
Champlain Cable Leeds Corporation
2910-00-652-4446CG3 INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
1650-01-006-1752 INTERCHANGEABLE
Filter Element,fluid
3030-01-197-612115445 INTERCHANGEABLE
Belt,v
Dayco Products Llc
4730-01-278-75078448 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Greno Industries, Inc. Dba Greno Industries Inc
5120-01-428-4738 INTERCHANGEABLE
Wrench,torque
Cross-Reference Index
Part NumberManufacturer
678-0389-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
C4993A United Transformer Corp Sub of Opt Industries Inc (USA)
50793 Coiltron Inc Div Coiltron (USA)
C4993A PRIMARY Magnetika Inc (USA)
8448 Precision Electronics, Inc (USA)
Related Parts
5815-00-127-1937INTERCHANGEABLE
LEVER
8448
4320-00-133-4386INTERCHANGEABLE
PARTS KIT,HYDRAULIC PUMP
60718
5330-00-191-8326INTERCHANGEABLE
GASKET
8448
5815-00-356-3422INTERCHANGEABLE
KEYTOP,KEYBOARD
SC-C-78076-17
6145-00-635-5507INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
14672
2910-00-652-4446INTERCHANGEABLE
FILTER ELEMENT,FLUID
CG3
1650-01-006-1752INTERCHANGEABLE
FILTER ELEMENT,FLUID
3030-01-197-6121INTERCHANGEABLE
BELT,V
15445
4730-01-278-7507INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
8448
5120-01-428-4738INTERCHANGEABLE
WRENCH,TORQUE
7025-01-518-4229INTERCHANGEABLE
ACCESSORY KIT,PRINTER,AUTOMATIC
C4993A
6660-01-532-2358INTERCHANGEABLE
POWER MODULE,REMOT

Frequently Asked Questions

What is NSN 5950-00-645-5865?

NSN 5950-00-645-5865 is a Reactor, manufactured by Magnetika Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-645-5865?

NSN 5950-00-645-5865 has 5 cross-referenced part numbers: 678-0389-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), C4993A (United Transformer Corp Sub of Opt Industries Inc), 50793 (Coiltron Inc Div Coiltron), C4993A (Magnetika Inc), 8448 (Precision Electronics, Inc).

What NSN replaces 5950-00-645-5865?

There are 12 known substitutes for 5950-00-645-5865: 5815-00-127-1937, 4320-00-133-4386, 5330-00-191-8326 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C4993A?

Key specifications for C4993A: Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING; Mounting Facility Quantity: 4 SINGLE GROUP; Reliability Indicator: NOT ESTABLISHED; DC Resistance Rating in Ohms: 125.000 SINGLE COMPONENT SINGLE WINDING. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-645-5865 still in active supply?

NSN 5950-00-645-5865 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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