MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, with an operating temperature range of -65°C to 200°C. These harsh environment connectors, available in various mounting options, offer reliability in demanding conditions. With 52 insert arrangements and M39029 rear release crimp contacts, they provide versatility for different applications. The aluminum shells come in RoHS compliant finishes, including electroless nickel and cadmium options, ensuring durability. Designed for military specifications, these connectors are ideal for use in industries requiring secure and reliable electrical connections.