Here is a lot of 9 5749w rca/sylvania tubes. They are NOS and come with their original boxes. All tubes tested 100% or more with a Marconi mu101/Hickok 533 calibrated mutual conductance tester.
Sylvania#1
4200
Sylvania#2
4000
Sylvania#3
3900
Sylvania#4
3400
Sylvania#5
3800
Rca#1
4000
Rca#2
3800
Rca#3
4000
Rca#4
3600
Minimum is 2080 and 100% is 3300.
No shorts.
Thanks for looking and please dont hesitate with any other questions. Dont forget to check out my other listings for other great tubes!