MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. This specific model, the RECEPTACLE - WALL MOUNT BACK P, is a back panel wall mounting receptacle with 3 gold-plated contacts, size 20 (3), intended for male pin insertion. Constructed with aluminum shells and electroless nickel coating, it ensures durability and conductivity. Meeting military specification MIL-DTL-38999 II, it offers reliable performance with 500 mating cycles. Suitable for various applications, including environment-resistant box and through bulkhead mounting, it provides secure connectivity in demanding conditions.