MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in an insert, ensuring reliable performance in harsh environments. Featuring front wall mount, rear wall mount, and jam nut receptacles, they accommodate various installation needs. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for demanding applications. Utilizing M39029 rear release crimp contacts, they provide secure connections in sizes 22D, 22M, 22, 20, 16, and 8 (coax and twinax). Constructed with high-strength aluminum shells and available in different plating options including cadmium-free finishes, they offer durability and versatility. MIL-DTL-38999 I connectors are ideal for military and industrial applications requiring rugged, environmentally sealed connectivity.