All vacuum tubes "R"
- RBB21
- RA2573
- RA18-6F
- RB14-6
- RAD18-183
- RA18-6
- RA1167
- R2-5 (NJ)
- RA18-250F
- RB14-10
- RCT
- RA857
- RTW1
- RB44
- RVE2-3.2
- RC337
- R22-8 (N)(NJ)
- RTW1MS
- RB14-8FL
- RTW2
- RC717
- RC10-250F
- RB14-10F
- RT8
- RA18-110F
- RA18-4
- RA18-10
- ROLOC PAD 75MM X M14
- RA18-8
- RT1MS
- RC10-55PT
- RB14-516
- RT3MS
- RT7MS
- RA25177
- RT6
- RC777
- RB2573
- RA18-14F
- RD167
- RT6
- RBB217
- RC108
- RC2577F
- RTW4
- RT7
- RB14-250F
- RC10-250A
- RT5
- R8-6 (NJ)
- R22-10(N)(NJ)
- RA873
- RT2
- RT9MS
- RC10-516
- R2-4(NJ)
- R1.25-4 (NJ)
- R1.25-3 (NJ)
- RD8-10
- RT3
- RBD14-183