A Contact RFI containing the materials of Beryllium Copper is included.RF type is Fingerstock from the contacter RFI.As you can see, this RFI EMI comes from the well-known All-Purpose series of products.
9754017005 Features
Fingerstock All-Purpose series
9754017005 Applications
There are a lot of Laird Technologies EMI 9754017005 RFI and EMI Contacts applications.