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Porcelain Feedthrough Standoff Insulator - High-Voltage
Manufacturer Part Number: Johnson Model 51 (No.51)

EXTREMLY RARE! We just found some old stock hiding in the back. This is a one time only restock. We will never get these again!

This is a high-voltage porcelain feedthrough standoff/insulator. High-voltage ceramic feedthrough insulators are often used on HF Radio amplifiers, Tesla coils, neon sign transformers, rail guns, etc.
This is a complete feedthrough insulator set - it includes the following:

  • Ceramic Insulator Half - QTY: 2
  • Cardboard Insulating Washer - QTY: 1 (sometiems 2)
  • 10/32 Threaded Rod (3" long)
  • 10/32 Nut - QTY: 4


QTY: 1 x Porcelain Feedthrough Standoff Insulator - High-Voltage Johnson Model 51

Stock in store is located in drawers behind the counter next to the molex.

Drawer NP45




Click here to read the California regulatory warning.