MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts, ensuring reliable performance in harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, these connectors are versatile and secure. With a wide operating temperature range of -65 °C to 200 °C and environmentally sealed construction, they are suitable for demanding applications. The connectors come in various shell sizes and insert arrangements, accommodating different needs. Utilizing M39029 rear release crimp contacts, they provide efficient connectivity in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells and available in different plating options, including RoHS certified finishes, these connectors ensure durability and compliance with industry standards. Whether in military or industrial settings, the MIL-DTL-38999 Series I connectors deliver superior performance with gold-plated contacts, bayonet coupling, and reliable conductivity for up to 500 mating cycles.