250 pF 4KV Variable Air Capacitor made by Jackson Brothers,no - 5720/5
TX5 Transmitting Capacitor
Made by Jackson Brothers, part number 5720/5 NEW
Material: end plates - ceramic
vanes & spacers - aluminium
Vane Thickness: 1.62
Larger quantities can be made but would be on a lead time, which would vary on how many ordered. Larger quantities may also have discounts.