Amphenol 62GB Jam Nut Receptacle Connectors Amphenol 62GB jam nut receptacle connectors are incredibly durable and versatile, manufactured from solid aluminium bar, with a zinc cobalt olive drab finish and complete with solder bucket gold plated male or female contacts and with inserts of polychloroprene rubber. The Amphenol 62GB range of mil spec connectors are similar in design and function to MIl-DTL-26482 but with an added key-way that assists in preventing the mis-mating of the connectors.These durable jam nut connectors are resistant to harsh environments and extreme temperatures, 62GB connectors are ideal for use in many military and industrial connector applications.