C4972S M3 Stand-Off Insulator, Made by Jackson Brothers H90
Stand-Off Ceramic Insulator made by Jackson Bros, part number C4972/M3. Our Stand-Off Insulators are used in large quantities in every branch of the electronics industry. They do not just insulate, they Isolate.
Stoved-on silicone treatment repels moisture so that insulation is unaffected by humidity and "tracking" is prevented. No solder, plastic or adhesive is used in construction.