MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering environmental sealing and a wide operating temperature range of -65 °C to 200 °C. Designed for harsh environments, these thin-walled connectors come in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes with 52 insert arrangements, they use M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells, they offer plating options like iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum. These connectors, compliant with MIL-DTL-38999 II military specification, ensure reliable performance in demanding conditions with a service rating of M and ingress protection. Meeting conductivity requirements, they feature gold-plated removable crimp contacts and a mating style of bayonet coupling. Designed for male contacts, the connectors have a shell style of jam nut mounting receptacle, with a shell size of 16 and contact size of 22(42). Notably, these connectors are suitable for environment-resistant box and through bulkhead mounting receptacle types, with a contact mating life of 500 cycles.
