MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various styles including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility for different applications. With options for straight, RFI grounding, and standard plugs, they ensure secure connections with 90-degree cable clamp support. Compliant with military specification MIL-DTL-38999 II, these connectors are constructed with aluminum shells and offer multiple plating choices, including cadmium-free finishes for RoHS compliance. Suitable for demanding environments, they provide reliable performance with features like removable crimp contacts, bayonet coupling, and conductivity for 500 cycles. Ideal for use in aerospace, defense, and other industries requiring rugged connectivity solutions.