This product is packaged in a Circular, Crimp, Receptacle cartonIt's packaged in a Bulk case.For mounting, you need a Bulkhead, Front Side Nut, Panel socket.
AFD54-12-8SX-6139 Features
AFD54-12-8SX-6139 Applications
There are a lot of TE Connectivity / Deutsch AFD54-12-8SX-6139 Circular Connectors applications.