PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T56905Reactor

Thordarson Inc · NSN 5950-00-945-3866 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-945-3866 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-945-3866. Primary manufacturer part number: T56905.
Features
  • Reactor — FSC 5950
  • DC Resistance Rating in Ohms: 4.000 SINGLE COMPONENT SINGLE WINDING
  • Body Width: 0.938 INCHES MAXIMUM IN
  • Distance Between Mounting Facility Centers: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Quantity: 1 SINGLE COMPONENT
  • Mounting Hole Diameter: 0.125 INCHES NOMINAL SINGLE GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-945-3866, 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 Thordarson Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-945-3866
Primary Part NumberT56905
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerThordarson Inc
StatusACTIVE
DC Resistance Rating in Ohms4.000 SINGLE COMPONENT SINGLE WINDING
Body Width0.938 INCHES MAXIMUM IN
Distance Between Mounting Facility Centers1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Quantity1 SINGLE COMPONENT
Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE GROUP IN
Body Height0.844 INCHES MAXIMUM IN
Terminal Type and Quantity3 WIRE LEAD
Mounting Facility Quantity2 SINGLE GROUP
Winding Operating Current80.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inductance Rating60.00 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inductance TypeFIXED
Inclosure TypeFULLY INCLOSED
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Body Length1.625 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4410-00-051-6278 INTERCHANGEABLE
Diffuser,air
4720-00-059-77962756-6 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
6940-00-128-053827566 INTERCHANGEABLE
Dial Assembly
Ricoh Americas Corporation
3110-00-156-5064 INTERCHANGEABLE
Bearing,ball,annular
6240-00-295-2668 INTERCHANGEABLE
Lamp,incandescent
4310-00-715-5678 INTERCHANGEABLE
Cooler Assembly,oil
6105-00-815-290127566 INTERCHANGEABLE
Stator,motor
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5330-01-144-619827566 INTERCHANGEABLE
Gasket
Traulsen and Co Inc
3040-01-188-862527566 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
6145-01-242-0871 INTERCHANGEABLE
Wire,electrical
Cross-Reference Index
Part NumberManufacturer
T56905 PRIMARY Thordarson Inc (USA)
A16634 Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. (USA)
27566 Torotel, Inc. Div Torotel Products, Inc. (USA)
Related Parts
4410-00-051-6278INTERCHANGEABLE
DIFFUSER,AIR
4720-00-059-7796INTERCHANGEABLE
HOSE,NONMETALLIC
2756-6
6940-00-128-0538INTERCHANGEABLE
DIAL ASSEMBLY
27566
3110-00-156-5064INTERCHANGEABLE
BEARING,BALL,ANNULAR
6240-00-295-2668INTERCHANGEABLE
LAMP,INCANDESCENT
4310-00-715-5678INTERCHANGEABLE
COOLER ASSEMBLY,OIL
6105-00-815-2901INTERCHANGEABLE
STATOR,MOTOR
27566
5330-01-144-6198INTERCHANGEABLE
GASKET
27566
3040-01-188-8625INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
27566
6145-01-242-0871INTERCHANGEABLE
WIRE,ELECTRICAL

Frequently Asked Questions

What is NSN 5950-00-945-3866?

NSN 5950-00-945-3866 is a Reactor, manufactured by Thordarson Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-945-3866?

NSN 5950-00-945-3866 has 3 cross-referenced part numbers: T56905 (Thordarson Inc), A16634 (Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc.), 27566 (Torotel, Inc. Div Torotel Products, Inc.).

What NSN replaces 5950-00-945-3866?

There are 10 known substitutes for 5950-00-945-3866: 4410-00-051-6278, 4720-00-059-7796, 6940-00-128-0538 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T56905?

Key specifications for T56905: DC Resistance Rating in Ohms: 4.000 SINGLE COMPONENT SINGLE WINDING; Body Width: 0.938 INCHES MAXIMUM IN; Distance Between Mounting Facility Centers: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP. 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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