The MIL-DTL-38999 Series I connectors offer high-performance connectivity for demanding environments, featuring up to 128 contacts in a rugged insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for harsh conditions. Available in various shell sizes and insert arrangements, they come in wall mount and jam nut receptacle options, all with RFI grounding plugs. Constructed with durable aluminum shells and offering multiple plating choices, including RoHS compliant finishes, these connectors ensure reliable performance. The use of M39029 rear release crimp contacts in different sizes provides versatility for various applications. Meeting stringent military specifications, these connectors are designed for durability and longevity in critical operations.