The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With an operating temperature range from -65°C to 200°C, these connectors are built to withstand extreme conditions. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. The connectors come in 9 shell sizes and 52 insert arrangements, with gold-plated removable crimp contacts. Constructed with aluminum shells and offered in RoHS compliant finishes, they ensure durability and reliability. Ideal for military and industrial applications, these connectors provide secure and conductive connections, meeting stringent performance standards.