MIL-DTL-38999 Series I connectors, also known as MS27468, feature up to 128 contacts in an insert and offer environmental sealing for reliable performance. With an operating temperature range from -65 °C to 200 °C, these connectors are suitable for harsh environments. Available in various shell sizes, they come in front wall mount, rear wall mount, and jam nut receptacle configurations, with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they ensure secure connections. The connectors are constructed with high-strength aluminum shells and offer multiple plating options, including cadmium-free finishes for RoHS compliance. Suitable for military and industrial applications, they provide reliable conductivity and durability, with a contact mating life of 500 cycles.