MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, ideal for harsh environments with a wide operating temperature range of -65°C to 200°C. Available in various configurations including front and rear wall mount and jam nut receptacles, these connectors offer versatility with 9 shell sizes and 52 insert arrangements. Utilizing M39029 rear release crimp contacts, they ensure reliable connections in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, they guarantee durability and performance. Designed to MIL-DTL-38999 I specifications, these connectors are essential for applications requiring rugged, secure electrical connections.