FME connector is miniature RF coaxial connector with part thread bulkhead which is different from C29CBWS178001 with full-thread bulkhead. It’s nickel plating with 50 ohm impendence. This FME connector can be terminated by RF coaxial cable like 1.48mm and 0.81mm to be RF cable assembly/ RF pigtails or RF antenna.
Please link FME connector plug straight bulkhead crimp for RG178, 1.13mm to get the drawing of C29CBWS178001B for 1.48mm coaxial cable.