MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts in an insert and offer reliable operation in temperatures ranging from -65 °C to 200 °C. Available in various configurations, including front and rear wall mount, jam nut, and box mount receptacles, these connectors meet stringent military specifications. With options for straight, RFI grounding, and standard plugs, they accommodate diverse application needs. The connectors, constructed with aluminum shells and utilizing M39029 rear release crimp contacts, ensure durability and performance. Plating options include cadmium-free finishes, meeting RoHS standards. Suitable for demanding environments, these connectors provide secure and efficient electrical connections in critical operations.