https://www.te.com/en/products/emi-and-emc-solutions/emi-shielding/emi-connector-gaskets.html
Shielding Your Connectors: EMI & RFI Gasket Solutions | TE Connectivity
Engineered for performance, TE's EMI/RFI gaskets suit most standard connectors and include optional sealing against moisture and dust
emi rfigasket solutionsshieldingconnectorste