The MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various mounting options like front wall, rear wall, and jam nut receptacles, they ensure secure connections. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors offer versatility in use. Constructed with high-strength aluminum shells and multiple plating options, including RoHS-certified finishes, they provide durability and reliability. Ideal for military and industrial applications, these connectors guarantee performance in demanding conditions.