MIL-DTL-38999 Series II connectors offer reliable connectivity in harsh environments, with up to 128 contacts and a wide operating temperature range of -65 °C to 200 °C. Featuring various mounting options, including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. The connectors come in aluminum shells with plating options such as electroless nickel and cadmium finishes. Utilizing M39029 rear release crimp contacts, they ensure secure connections. With EMI/RFI shielding and RoHS compliant options, these connectors are ideal for military and aerospace applications, guaranteeing durability and performance.