845


With the 845 tube you have a nipple protruding from the side just above the pins to assist with installing the tube
Is it ok to use the tube if the nipple is missing?
Convert?fit=crop&h=128&policy=eyjlehbpcnkioje1mdm0mjm5njmsimnhbgwiolsicmvhzcisimnvbnzlcnqixx0%3d&rotate=exif&signature=2cbfa1ee6e936207d7768bfc96cd9f9e0419ce469c9fb29478427f098ee0d4a6&w=128dart6
As long as the pins are there and intact you are fine that is just a guide to help you place them more easily.
thankyou
You don't need the side nipple but you still need to respect the tube orientation to ensure that you have the right pin aligned with the right conductor.