MIL-DTL-38999 Series I connectors offer reliable connectivity with up to 128 contacts in an insert, designed for harsh environments. Featuring front wall mount, rear wall mount, and jam nut receptacles, they ensure secure installations. These connectors, compliant with military specification MIL-DTL-38999 I, are crafted from durable high-strength aluminum shells. With a wide operating temperature range of -65°C to 200°C, they are suitable for varied applications. Available in 9 shell sizes and 52 insert arrangements, they accommodate M39029 rear release crimp contacts, delivering optimal performance. Plating options include light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, offering versatility. RoHS certified finishes are also available. Ideal for demanding environments, these connectors provide reliable and efficient electrical connections.