I am trying to get hold of some screws for the YC156 tube,
the 4 cathode and the 1 filament screw.
Anything that isn't metric is hard to find these days over here.
I have tried all the local Hams "non metric" screw junk boxes to no avail.
Anyone know the thread? Or even have some?
They are different to the 4 on the grid ring.
Happy to pay for them +shipping.
Help appreciated.
73 Neil G0JHC.
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