MIL-DTL-38999 Series I connectors offer durable and versatile connectivity solutions, featuring up to 128 contacts within a secure insert. Designed for harsh environments, these connectors are sealed to withstand extreme temperatures ranging from -65 °C to 200 °C. Available in various configurations including front and rear wall mount options, as well as jam nut receptacles, they meet stringent military specifications for reliability. With 52 insert arrangements and M39029 rear release crimp contacts in multiple sizes, these connectors provide flexibility for different applications. Constructed with high-strength aluminum shells and offering a choice of plating finishes, including RoHS compliant options, they ensure long-lasting performance in demanding settings. Ideal for use in aerospace, defense, and industrial applications, MIL-DTL-38999 Series I connectors are trusted for their rugged design and superior functionality.