MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors offer flexibility and reliability. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS compliant finishes, they ensure durability and performance. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, these connectors cater to diverse mounting needs. Utilizing M39029 rear release crimp contacts in various sizes, they provide secure connections. The gold-plated contacts, along with Bayonet mating type and N keyway polarization, guarantee efficient signal transmission. Suitable for military and industrial applications, the MIL-DTL-38999 Series I connectors are ideal for demanding environments requiring rugged and dependable connectivity.