MIL-DTL-38999 Series II connectors offer reliable performance in harsh environments, with up to 128 contacts in an insert. These circular plugs, featuring front and rear wall mount options, jam nut, and various receptacle styles, are designed for military specifications. Operating between -65°C and 200°C, they ensure durability in extreme conditions. Available in aluminum shells with multiple plating options including RoHS certified finishes, these connectors guarantee secure and efficient electrical connections. With M39029 rear release crimp contacts and 52 insert arrangements, they provide versatility for various applications.