MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering environmental sealing and a wide operating temperature range from -65 °C to 200 °C. This connector family includes front and rear wall mount options, as well as jam nut receptacles, all designed for harsh environments. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure reliable connectivity in various applications. Constructed with high-strength aluminum shells and available in different plating options such as cadmium and nickel, these connectors meet stringent military specifications. Suitable for RoHS compliant applications, they provide durable and conductive solutions for demanding environments.