MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, these connectors feature various mounting options including front and rear wall mount, jam nut, and box mount receptacles. Available in aluminum shells with multiple plating options, they ensure durability and reliability in extreme conditions. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections. With a wide operating temperature range from -65°C to 200°C, they are ideal for military and aerospace applications. RoHS compliant finishes are also available, making them suitable for diverse industries.