There is a Contact RFI that contains materials from Beryllium Copper.EMI/RFIs capable of operating at -55°C~121°C can be used.A contacter RFI with the Fingerstock type.
14-38AH-ZINC-16 Features
Fingerstock
14-38AH-ZINC-16 Applications
There are a lot of Leader Tech Inc. 14-38AH-ZINC-16 RFI and EMI Contacts applications.