MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering environmental sealing and a wide operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with options for RoHS-certified finishes. The connector family includes front and rear wall mount, as well as jam nut receptacles, with RFI grounding plugs. Utilizing M39029 rear release crimp contacts in different sizes, they ensure reliable connectivity. Ideal for harsh environments, these connectors are designed for military applications, meeting MIL-DTL-38999 I specifications.