MIL-DTL-38999 Series II connectors feature up to 128 contacts, offering robust environmental sealing and a wide operating temperature range from -65 °C to 200 °C. Designed for harsh environments, these connectors come in various configurations including front wall mount, rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for reliable connectivity. Constructed with aluminum shells and offering multiple plating options, these connectors ensure durability and performance. With RoHS compliant finishes available, they are ideal for military and industrial applications requiring secure and reliable electrical connections.