MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with a wide operating temperature range of -65°C to 200°C. Offering front wall mount, rear wall mount, and jam nut receptacles, these connectors are ideal for military and aerospace applications. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure secure and reliable connections. Constructed with high-strength aluminum shells and available in various plating options, including RoHS certified finishes, these connectors guarantee durability and performance. Trusted for their environmental sealing and RFI grounding capabilities, MIL-DTL-38999 I connectors are essential for demanding industrial environments.