tube plug for sale, brand-new and used.

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Avaya 5 Pin 4B ( gas tube with sneak current protection ) protectors. These have been just taken out of service from a clean dry environment and were only in service a couple of years. They look new.

High quality heavy duty plastic finishing plug, end cap for 1-1/2" outside diameter steel square tubing. These fit 10-14 gauge wall 1 1/2 x 1 1/2" steel tubing. Heavy wall plastic plugs for square tubing are manufactured to provide a secure fit on multiple tube gauges.

This auction is for one complete plug in socket deck for a Hickok Navy model 118A or 118B cardmatic tube tester as shown. This was removed from a parts unit and is ready to install in your tester. Check out our other auctions as we will be listing other parts from this tester.

Tektronix Type 1A4 Plug in Four Channel Amplifier for 500 series Powers on with Matsushi Tube Here is the wikitech page on this plug in >>>>> http://w140.com/tekwiki/wiki/1A4 Up for sale is a Tektronix Type 1A4 Four Channel Amplifier. This came from a Tektronix 541 series Oscilloscope that I purchased from a collection of test equipment. The 541 powers on, the fan works, and the tubes lite up including the single Matsushi tube inside the 1A4 Plug In.

High quality heavy duty thick wall plastic finishing plug, end cap for 2" outside diameter round tubing. These fit 11-19 gauge wall steel tubing. Thick heavy wall plastic plugs for square tubing are manufactured to provide a secure fit on multiple tube gauges.

UNBELIEVABLE LOW PRICE!!! FREE SHIPPING You are buying a Lot of 3 SPARK

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RCA Senior Voltohmyst WV-98C Vacuum Tube Meter - In Working Order w/leads Meter is in decent used shape with scratches and marks from general use, the meter face is clean and clear and the meter movement is excellent. Meter has a good power-on indicator light. Knobs turn easily with positive stops.

Freund 10110 Electrical Socket Tube Adapter Plug-In 5935-00-686-3675

Electro Technic spectrum tube power supply (model SP200) in excellent condition. No tubes included. I did plug the unit in and turn on the power..

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Eico Model 625 tube tester...i did test a tube and it seemed to work but has a few issues...brunt/melted Tube Short Socket...also the circut / overload switch is missing ...has the scroll to match settings up to the tube being tested and it also lights up...Use it as it is or for parts...see pictures for condition...some surface rust spots on top...handle is in good shape and so is the plug and cord ... Be sure and see all my other listings...lots of cool stuff!!

This listing is for a Eico 610 Nuvistor Novar Compactron Adapter Tube Tester Modernization Panel. This allows you to Update Older Vacuum Tube Testers. You plug this into the 9 pin miniature socket on older model testers and you can test Compactrons, Novars, Nuvistors and 10 pin tubes that could not be tested on earlier models.

Precision Apparatus Model 912 Vacuum Tube Tester. This unit is in good working order and comes with a Noval 9 pin socket (early models did not have a 9 pin socket). The photos show the short indicator light as well as the meter functioning properly on a known good tube.