MIL-DTL-38999 Series I connectors offer exceptional durability and performance for harsh environments. With up to 128 contacts sealed within the insert, they ensure reliable connectivity in challenging conditions. These connectors, designed for military specifications, feature various mounting options, including front and rear wall mount and jam nut receptacles, as well as RFI grounding plugs. Available in 9 shell sizes and 52 insert arrangements, they accommodate M39029 rear release crimp contacts in multiple sizes. Constructed with high-strength aluminum shells and offering a range of plating options, such as electroless nickel and cadmium finishes, they meet diverse application needs. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for critical operations in demanding environments.