This FME connector plug is bulkhead type RF connector and has round panel. All of the RF FME connectors are nickel plating with 50 ohm impendence. This FME connector straight plug will be soldered with RF coaxial cable like 1.48mm and 0.81mm.
Please link FME connector plug straight bulkhead crimp for RG178, 1.13mm to get the drawing of C29CBWS178001D for 1.48mm coaxial cable.