MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts, sealed for harsh environments and operable in temperatures ranging from -65 °C to 200 °C. Featuring various receptacle types including front and rear wall mounts, they ensure secure installations. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors provide versatility in applications. Constructed with high-strength aluminum shells and available in different plating options, such as electroless nickel and cadmium finishes, they meet diverse industrial needs. RoHS compliant variants are also offered, guaranteeing environmental responsibility. Suitable for military and commercial applications requiring reliable and durable electrical connections.