MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering robust environmental sealing and a wide operating temperature range of -65 °C to 200 °C. These connectors, designed for harsh environments, come in various configurations including front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles. Available in aluminum shells with multiple plating options, they ensure reliable performance with RoHS certified finishes. Utilizing M39029 rear release crimp contacts, these connectors are ideal for demanding applications, meeting military specification MIL-DTL-38999 II.