Amphenol FSI MIL-SPEC FS4H8000 Fiber Optic TFOCA-II Jam Nut Receptacle Assembly
These are Amphnol FSI Fiber Optic (Multi-Mode) Mil-Spec Assemblies with a Jam-Nut connector, screw on dust cap, and a 6′ Fiber cable terminating in 4x ST type connectors. Also included is ST to LC jumper.