Amphenol Pcd's Metal Flange accessories also known as nut plates come in both Mil-standard (M85049/94, /95, /96) and proprietary options. Metal flange prevents loss of hardware inside the box and easy alignment during assembly. High performing and easy to use, the Metal Flange product line include self-locking clinch nuts to ensure a positive lock every time they're used. These can be full flange or halves based on application and access.