(!!!!) (Best Pair #2) 6AQ5A GE NOS 1974-1981 (50ma and 52ma)
(!!!) (BEST PAIR) 6DJ8 Matshushita JAPAN branded RCA NOS 1975 (19/18ma and 17/20ma)
(!!!) (Best Single) 5U4GB CBS NOS double "D" getters 1959 (59/40 and 60/40)
(!!!) (Best Single) 5U4GB CBS NOS double "D" getters 1959 (60/40 and 63/40)
(!!!) (Best Single) 5U4GB Hytron NOS "O" getter halo 1960 era (59/40 and 60/40)
(!!!) (Best Value Pair) 6DJ8 Matshushita JAPAN branded RCA NOS 1975 (15/17.8ma and 16.4/18.2ma)
(!!) (BEST PRICE) 6AQ5 and 6AQ5A Mixed Brands used/good (4 for $14.99)
(!!) (recommended Single) 6SU7GTY=6188 Tungsol 1950's rebranded "5691 NATIONAL" in 1980's black ribbed plates "D" getter halo triple mica (2.3/2.5ma)
(!!) 6AS7G Russian branded National NOS 1990's (50ma/86ma)
(!!) 6AS7G Russian branded National NOS 1990's (51ma/77ma)
(!!) 6AS7G Russian branded National NOS 1990's (62ma/65ma)
5025 Numerical Display tube
5441 National Nixie tube used 1977 (16 pins) (0 in stock)
5870S National UK NOS by Burroughs (0 in stock)
6AQ5 and 6AQ5A US Brands used/good (20 in stock)
6AQ5A International USA NOS (56ma)
7021=714 National NOS in white box
710L=7509A National USA NOS
8422=5991 National Nixie tube NOS 1993 (14 pins) (sold out)
NL-5992 National USA NOS nixie tube
