MIL-5015 series connector , Aluminum alloy shells , Rubber insulator , and Contacts are silver plated with pre-tinned solder cups. Optional gold over silver plating is also available. 

Items inculding :

Shell 10SL , Shell 12S , Shell 14S , Shell 16S ,Shell 16, Shells 18 , Shell 20 , Shell 22 , Shell 24 , Shell 28 , Shell 32 , Shell 36 .