MIL-DTL-38999 Series I connectors offer high-performance connectivity for demanding environments. With up to 128 contacts housed in a rugged insert, they provide reliable operation in extreme conditions, with an impressive operating temperature range of -65°C to 200°C. Featuring front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs, these connectors deliver versatility for various applications. Available in 9 shell sizes and 52 insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. Constructed with durable aluminum shells and offering a choice of plating options, including cadmium-free finishes, they ensure long-lasting durability and compliance with RoHS regulations. Perfect for military and industrial use, MIL-DTL-38999 Series I connectors combine performance, reliability, and environmental resilience.