Circular Connectors Manufacturers, Military Circular and Coupling Connectors

Circular threaded coupling connectors, as the name suggests are connectors which mate using a threaded arrangement. These connectors are made in accordance to Defence Standard Joint Services Specification JSS 50812, which is a derivation of the MIL-C-5015, USA Military specifications. Initially designed for military applications, but currently they find wide application in the industries due to their strength and reliability. The shell is made of aluminium, making them rugged and light weight, having a life of at least 500 mating cycles. Olive drab coating gives the connectors excellent corrosion resistance. The insulators are made of high grades of Polychloroprene, which resilient to environmental conditions for a wide temperature range of -55˚C to +125˚C. Various accessories increases the areas of application of the connectors and numerous contact arrangements can provide for all the needs of the customer.

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Material Specifications

Shell Material : Aluminium Alloy
Insulator & Grommet : Polychloroprene
Contacts : Copper Alloy
Plating – Contacts : Silver / Gold / Nickel
Plating – Shells : Cadmium Plated with Olive Drab Chromate Finish (Other finishes available)

Performance Specfications

Current Rating : Up to 150 A (Depending on the contact size and arrangement)
Wire Termination : Solder / Crimp / PCB
Working Voltage : 200 V AC to 3000 V AC (Depending on the contact size and arrangement)
Insulation Resistance : Min. 5000 MΩ at 500 V DC
Temperature Range : -55˚C to +125˚C
Mating Cycles : Min. 500 Cycles


Military Lighting Industry Hydraulic Systems
Medical Engine Manufacturing Welding Machines
Aerospace Machine Manufacturing Motion Control Systems
Telecommunications Radar Landing Gear Systems
Transportation Sensors Test Equipment
Network Communications Transducers Power Generators
Process Control Fuelling Systems Earth Moving Equipment
Heavy Equipment Fire Detection Systems Advanced Scientific Applications


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