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 configurations such as front wall mount, rear wall mount, jam nut, and more, these connectors offer versatility in installation. With options for straight, RFI grounding, and standard plugs, they cater to different connectivity needs. Constructed with aluminum shells and offering multiple plating choices including cadmium-free finishes, they ensure durability and reliability. Compliant with military specification MIL-DTL-38999 II, these circular connectors with gold-plated contacts are ideal for aerospace, defense, and industrial applications.