KV40 DIN Audio / Video Connector, 4 Contacts, Jack, Cable Mount, Solder. The KV40 is a 4-pole DIN Audio/Video Connector, straight version with threaded joint, ground contact and solder terminals. Polyamide insulating body, gold-plated contacts with long TPE bend protection. The KV socket is suitable for use with SFV, SGR, SGV, SV and WSV plugs. Designed according to the IEC 61076-2-106 standards.