MIL-DTL-38999 Series II connectors feature up to 128 contacts enclosed in an insert, providing robust environmental sealing for reliable performance in harsh conditions. With a wide operating temperature range from -65°C to 200°C, these connectors are ideal for demanding applications. Available in various mounting styles such as front wall mount, rear wall mount, jam nut, and box mount, they offer versatility in installation. The connectors come in aluminum shells with different plating options, including cadmium-free finishes for RoHS compliance. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connectivity. Engineered to MIL-DTL-38999 II military specifications, these circular plugs are designed for durability, with gold-plated contacts for enhanced conductivity. With a straight plug shell style and removable crimp contacts, they provide ease of use and maintenance. Suitable for both wall and jam nut mounting receptacles, these connectors meet stringent environmental resistance standards for reliable operation in challenging environments. (Word count: 151)