A Contact RFI containing the materials of Nickel-Copper (NI/CU) Glass Fiber is included.EMI/RFI is capable of working normally at -60°C~160°C.RF type is Gasket Sleeve from the contacter RFI.As you can see, this RFI EMI comes from the well-known WE-ST series of products.
30508/1000 Features
Gasket Sleeve WE-ST series
30508/1000 Applications
There are a lot of Würth Elektronik 30508/1000 RFI and EMI Contacts applications.