The 225-0097-000 is a yellow filler plug used to seal unoccupied contact cavities in BKAD non-environmental connectors. It is specifically designed for size 12 contacts and is constructed from a durable thermoplastic material. Key dimensions are 0.187 inches (A), 0.156 inches (B), and 0.320 inches (C), ensuring a secure fit. These plugs are used to protect the connector from debris and maintain the structural integrity of the insulator when a contact is not present.