MIL-DTL-38999 Series I connectors offer high-performance connectivity solutions for harsh environments. With up to 128 contacts housed in an insert, these circular plugs ensure secure and reliable connections. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatile installation options. Compliant with military specification MIL-DTL-38999 I, these connectors are designed for durability, with a rugged construction and a wide operating temperature range from -65°C to 200°C. Available in various shell sizes and insert arrangements, they accommodate diverse application needs. Utilizing M39029 rear release crimp contacts in different sizes, including 22D, 22M, 22, 20, 16, and 8, these connectors offer flexibility in contact options. The high-strength aluminum shells come in a range of plating finishes, including electroless nickel and cadmium olive drab, ensuring corrosion resistance. With RoHS certified options, they meet environmental standards while delivering exceptional performance in demanding environments. Ideal for aerospace, defense, and industrial applications, MIL-DTL-38999 Series I connectors are the reliable choice for critical connectivity requirements.