/2 specifies a detail specification sheet for connectors that are electric, rectangular, miniature, polarized shell, rack and panel, receptacle, socket contacts, general purpose, class D and G, crimp type. The '-2' indicates 15 contacts/positions. The 'F' specifies the finish, which includes 50 microinches gold plating on the contacts and a cadmium-plated steel shell with yellow chromate finish. M24308 identifies the MIL-DTL-24308 standard for D-subminiature connectors.