Amphenol Interconnect India Pvt Ltd. Supplies Threaded Coupled Circular Connector. Amphenol Interconnect India Pvt Ltd. Is an ISO 9001:2000 accredited company. Threaded Coupled Circular Connector is used in defense military, communication/tracked vehicle and various other defense applications. Threaded Coupled Circular Connector is intermateable with other Russian connectors. This connector is designed to meet the operating requirements of Indian Defense Standard Joint Services Specifications JSS 50860, issued by Electronics Components Standardisation Organization [LCSO].