MIL-DTL-38999 Series I connectors offer robust connectivity solutions with up to 128 contacts housed within an environmentally sealed insert. Designed for harsh environments, these connectors operate reliably in temperatures ranging from -65°C to 200°C. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they cater to diverse installation needs. With nine shell sizes and 52 insert arrangements available, these connectors accommodate various applications. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. Constructed with high-strength aluminum shells, they come in a range of plating options, including cadmium-free finishes for RoHS compliance. Suitable for military and industrial use, MIL-DTL-38999 Series I connectors are a dependable choice for demanding environments.