MIL-DTL-38999 Series II connectors feature up to 128 contacts, offering 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 and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes with 52 insert arrangements, they use M39029 rear release crimp contacts. Constructed with aluminum shells and multiple plating options, they ensure durability and reliability. With RoHS compliant finishes, these connectors are ideal for military and industrial applications requiring high-performance connectivity.