MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in front wall mount, rear wall mount, and jam nut receptacles, these connectors offer RFI grounding plugs. With 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts in various sizes. Constructed with high strength aluminum shells, they come with plating options like light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, including RoHS compliant finishes. This MS27467 model is a straight plug connector with 4 gold-plated contacts, contact size 16, and a bayonet coupling, meeting military specification MIL-DTL-38999 I. Suitable for wall and jam nut mounting receptacles, it ensures reliable performance in demanding environments.