A Specialized Switching Tube for Industrial and Military CircuitsThe 8016 is a specialized vacuum tube used in switching, timing, and control circuits — the kind of application where reliability and precise triggering behavior are non-negotiable. Tubes of this type were used extensively in industrial control equipment, radar systems, and military electronics throughout the 1950s and 1960s. Finding a tested, functional example today requires knowing where to look — and having a supplier who actually inspects what they sell.Tested and Ready to InstallEvery 8016 we sell is individually inspected before it ships. You receive a tube that is ready to install and perform to its original specification. One tube per order. Inquire about specific brands at a 20% premium, or ask about tested used tubes for a 20% discount.The Right Part for a Demanding ApplicationSpecialized switching and control tubes are not interchangeable with general-purpose types — the circuit was designed around the specific characteristics of the tube it calls for. If your equipment requires an 8016, this is the correct replacement. Source it now and keep your restoration or repair on track.Specifications: Type: Specialized switching/control tube Application: Industrial control, radar, military electronics, timing circuits Condition: Tested and inspected Includes: 1 tube per order Premium brands available: +20% (inquire) Tested used tubes available: −20% (inquire) Note: The product photo is a representative example. Actual tube appearance — including label style, glass envelope shape, and getter position — varies by manufacturer and production era.