MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and an operating temperature range of -65 °C to 200 °C, they ensure reliable connectivity in demanding conditions. Available in various shell sizes and insert arrangements, these connectors are versatile for different applications. Their high-strength aluminum shells come with a range of plating options, including cadmium-free finishes for RoHS compliance. Offering front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they cater to diverse installation needs. Utilizing M39029 rear release crimp contacts, these connectors provide secure and efficient connections. With their military-grade construction and performance, MIL-DTL-38999 Series I connectors are ideal for critical operations in aerospace, defense, and industrial settings.