MIL-DTL-38999 Series II connectors are designed for demanding environments, offering up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for harsh conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount, they provide versatility in installation. Featuring aluminum shells with multiple plating options including cadmium-free finishes, they ensure durability and reliability. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections. With a straight plug design and EMI shielding, they meet stringent military specifications for performance. Suitable for wall and jam nut mounting receptacles, they offer a service rating of I for environmental resistance. The gold-plated removable crimp contacts ensure excellent conductivity, with a mating life of 500 cycles. Compliant with RoHS regulations, these connectors are the perfect choice for aerospace, military, and industrial applications.