TE Connectivity ADK Series RFI/EMI Nickel Plated Plastic Backshells. ADK series RFI/EMI shielded two piece nickel plated plastic backshell/cable clamps. These ADK series RFI/EMI shielded two piece nickel plated plastic backshells are made from UL94 V0 ABS with a nickel plating, have a 4-40 thread size and accept a cable diameter range of 4-13mm. Screws, retainer clips and grommets are supplied with these ADK backshells. Part numbers x-2198617-x have a 180 ° cable exit Part numbers x-2198618-x have a 45 ° cable exit
