PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

505481Reactor

Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit · NSN 5950-01-451-0678 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-451-0678 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-451-0678. Primary manufacturer part number: 505481.
Features
  • Reactor — FSC 5950
  • 3 verified cross-references
  • Primary manufacturer: Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-01-451-0678, 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 Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameReactor
FSC / FSG5950 — No Item Name Available (FSG 59)
ManufacturersTransistor Devices Inc Div Astrodyne Tdi High Power Business Unit (CAGE 09004); Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division (CAGE 3S657); G B International Trading Co Limited (CAGE 1PK98)
Technical Specifications
ParameterValue
NSN5950-01-451-0678
Primary Part Number505481
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTransistor Devices Inc Div Astrodyne Tdi High Power Business Unit
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3040-00-110-36865886 INTERCHANGEABLE
Collar,shaft
Oberdorfer Foundries Inc
3455-00-232-409919953 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5960-00-256-0001 INTERCHANGEABLE
Electron Tube
5365-00-369-4056DS-935244 INTERCHANGEABLE
Shim,return Plate
Eaton Aerospace, Llc Dba Jackson South
5910-00-776-4391 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
6240-01-421-3622920483001 INTERCHANGEABLE
Lamp,incandescent
Independent Rough Terrain Center Llc
5360-01-459-53915886 INTERCHANGEABLE
Spring,helical,compression
O F Mossberg & Sons Inc
Cross-Reference Index
Part NumberManufacturer
505481 PRIMARY Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA)
5886 Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division (USA)
4941-A G B International Trading Co Limited (USA)
Related Parts
3040-00-110-3686INTERCHANGEABLE
COLLAR,SHAFT
5886
3455-00-232-4099INTERCHANGEABLE
REAMER,MACHINE
19953
5960-00-256-0001INTERCHANGEABLE
ELECTRON TUBE
5365-00-369-4056INTERCHANGEABLE
SHIM,RETURN PLATE
DS-935244
5910-00-776-4391INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
6240-01-421-3622INTERCHANGEABLE
LAMP,INCANDESCENT
920483001
5360-01-459-5391INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5886

Frequently Asked Questions

What is NSN 5950-01-451-0678?

NSN 5950-01-451-0678 is a Reactor, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-451-0678?

NSN 5950-01-451-0678 has 3 cross-referenced part numbers: 505481 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit), 5886 (Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division), 4941-A (G B International Trading Co Limited).

What NSN replaces 5950-01-451-0678?

There are 7 known substitutes for 5950-01-451-0678: 3040-00-110-3686, 3455-00-232-4099, 5960-00-256-0001 and 4 more. Verify interchangeability with system specifications before substitution.

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