MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, with up to 128 contacts housed in a sealed insert. Operating between -65°C and 200°C, these connectors come in various styles like front wall mount, rear wall mount, and jam nut receptacles. Featuring RFI grounding plugs and M39029 rear release crimp contacts, they ensure secure connections. With options for plating such as cadmium-free finishes and durable aluminum shells, these connectors are suitable for military and industrial applications requiring high performance and environmental resilience.