PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7812Reactor

Square D Co Epe/topaz · NSN 5950-00-448-0359 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-448-0359 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-448-0359. Primary manufacturer part number: 7812.
Features
  • Reactor — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Distance Between Mounting Facility Centers: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Body Width: 1.625 INCHES NOMINAL IN
  • 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 Reactor, cataloged under National Stock Number 5950-00-448-0359, 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 Square D Co Epe/topaz. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-448-0359
Primary Part Number7812
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSquare D Co Epe/topaz
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Distance Between Mounting Facility Centers1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Body Width1.625 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Length1.625 INCHES NOMINAL IN
Inductance TypeFIXED
Terminal Type and Quantity2 STANDOFF INSULATOR
Body Height2.125 INCHES NOMINAL IN
Mounting Facility Quantity2 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Quantity1 SINGLE COMPONENT
Inductance Rating435.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3439-00-104-9890 INTERCHANGEABLE
Tip,desoldering
3110-00-156-4699 INTERCHANGEABLE
Bearing,ball,annular
5310-00-194-7301 INTERCHANGEABLE
Washer,flat
6210-00-279-8560 INTERCHANGEABLE
Fixture,lighting
2530-00-300-6921 INTERCHANGEABLE
Cylinder,steering
5330-00-350-9946 INTERCHANGEABLE
Seal,plain Encased
2990-00-441-7634 INTERCHANGEABLE
Muffler,exhaust
5940-00-522-68897812 INTERCHANGEABLE
Post
Te Connectivity Corporation
5355-00-538-6387 INTERCHANGEABLE
Window,dial
5905-00-759-73032469660 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
7812 Square D Co Epe/topaz (USA)
11843 Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories (USA)
Related Parts
3439-00-104-9890INTERCHANGEABLE
TIP,DESOLDERING
3110-00-156-4699INTERCHANGEABLE
BEARING,BALL,ANNULAR
5310-00-194-7301INTERCHANGEABLE
WASHER,FLAT
6210-00-279-8560INTERCHANGEABLE
FIXTURE,LIGHTING
2530-00-300-6921INTERCHANGEABLE
CYLINDER,STEERING
5330-00-350-9946INTERCHANGEABLE
SEAL,PLAIN ENCASED
2990-00-441-7634INTERCHANGEABLE
MUFFLER,EXHAUST
5940-00-522-6889INTERCHANGEABLE
POST
7812
5355-00-538-6387INTERCHANGEABLE
WINDOW,DIAL
5905-00-759-7303INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
2469660
5905-00-759-7305INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
2469780
6130-00-780-0780INTERCHANGEABLE
POWER SUPPLY
7812

Frequently Asked Questions

What is NSN 5950-00-448-0359?

NSN 5950-00-448-0359 is a Reactor, manufactured by Square D Co Epe/topaz, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-448-0359?

NSN 5950-00-448-0359 has 2 cross-referenced part numbers: 7812 (Square D Co Epe/topaz), 11843 (Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories).

What NSN replaces 5950-00-448-0359?

There are 12 known substitutes for 5950-00-448-0359: 3439-00-104-9890, 3110-00-156-4699, 5310-00-194-7301 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7812?

Key specifications for 7812: Reliability Indicator: NOT ESTABLISHED; Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN; Distance Between Mounting Facility Centers: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Thread Quantity Per Inch: 32 SINGLE GROUP. 15 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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