The MIL-DTL-38999 Series II connectors are robust and reliable, designed for harsh environments with up to 128 contacts housed in a secure insert. Operating efficiently in temperatures ranging from -65 °C to 200 °C, these connectors are ideal for demanding applications. Featuring various mounting options such as front and rear wall mounts, jam nuts, and box mounts, they offer versatility in installation. With options for straight, RFI grounding, and standard plugs, along with a range of shell sizes and insert arrangements, they cater to diverse connectivity needs. Constructed with aluminum shells and offering multiple plating options, including RoHS compliant finishes, these connectors ensure durability and performance. Perfect for military and industrial use, they provide secure and efficient electrical connections in even the most challenging environments.