The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert, ensuring reliable signal transmission in harsh environments. Designed for military specifications, these circular receptacles feature wall mounting flanges and bayonet coupling for secure installation. With a wide operating temperature range from -65 °C to 200 °C, they are suitable for diverse applications. Constructed with aluminum shells and gold-plated removable crimp contacts, they provide excellent conductivity and durability. Available in various shell sizes and insert arrangements, these connectors meet stringent military standards for environmental resistance and reliability. With RoHS compliant options, they offer versatility for different industries.