A Contact RFI containing the materials of Polyurethane Foam, Nickel-Copper Polyester (NI/CU) is included.RF type is Fabric Over Foam from the contacter RFI.As you can see, this RFI EMI comes from the well-known 51K series of products.
4211AB51K01650 Features
Fabric Over Foam 51K series
4211AB51K01650 Applications
There are a lot of Laird Technologies EMI 4211AB51K01650 RFI and EMI Contacts applications.