MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in an insert, featuring environmental sealing for reliable performance in harsh conditions. Designed for durability, these connectors operate effectively in temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts in different sizes. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they cater to diverse installation needs. Constructed with high-strength aluminum shells, these connectors come with a choice of plating finishes, including cadmium-free options for RoHS compliance. Trusted for their quality and performance, MIL-DTL-38999 Series I connectors are ideal for demanding applications requiring secure electrical connections in challenging environments.