MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering environmental sealing and a wide operating temperature range from -65 °C to 200 °C. These harsh environment connectors, available in various receptacle types, provide reliable connectivity in demanding applications. With aluminum shells and multiple plating options, including RoHS compliant finishes, they ensure durability and performance. Suitable for military and aerospace use, these connectors, with M39029 rear release crimp contacts, boast high mating life and conductivity, making them ideal for critical systems where reliability is paramount.