MIL-DTL-38999 Series I connectors offer rugged reliability for harsh environments, with up to 128 contacts housed in a sealed insert. Designed to withstand extreme temperatures ranging from -65°C to 200°C, these connectors feature various mounting options including front wall, rear wall, and jam nut receptacles. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, they ensure secure connections. Available in 9 shell sizes with 52 insert arrangements, the high-strength aluminum shells come in a range of plating options, including cadmium-free finishes. Meeting military specification MIL-DTL-38999 I, they provide dependable performance with gold-plated contacts, bayonet coupling, and an operating temperature of up to 175°C. Suitable for a variety of applications, these connectors are ideal for demanding environments where reliability is paramount.