Details
New old stock 7 pin miniature neon voltage reference tube. Various brands.
NSN/FSN = 5960000234198, 5960000733443, 5960001670389, 5960002620286, 5960005093171, 5960006178584, 5960006178685, 5960006466301, 5960006828965, 5960006867508, 5960008347136 (5651WA), 5960008607391, 5960009711483 (5651A), 5960011155328
HP/Agilent Number = 1940-0001
Tektronix Number = 154-0052-00, 154-0288-00 (5651WA)