MIL-DTL-38999 Series I connectors offer robust connectivity solutions with up to 128 contacts housed in an insert, ideal for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, they ensure secure installations. These connectors, meeting military specification MIL-DTL-38999 I, are designed for durability, with a wide operating temperature range from -65°C to 200°C. With various plating options such as electroless nickel and cadmium finishes, they provide reliable performance in demanding applications. The high-strength aluminum shells and RoHS compliant cadmium-free finishes enhance their longevity and environmental sustainability, making them a preferred choice for critical electrical connections.