MIL-DTL-38999 Series I connectors are designed for harsh environments, offering up to 128 contacts in an insert with environmental sealing. Operating between -65 °C and 200 °C, these connectors come in various shell sizes and insert arrangements, featuring front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they provide reliable connectivity in sizes 22D, 22M, 22, 20, 16, and 8 (coax and twinax). Constructed with high-strength aluminum shells, they come in plating options like light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS certified cadmium-free finishes available. These connectors, with keyway polarization C, ensure secure mating with bayonet coupling and are ideal for demanding applications requiring environment-resistant wall and jam nut mounting receptacle and plug types.
