MIL-DTL-38999 Series I connectors are rugged and reliable, featuring up to 128 contacts in an insert. Designed for harsh environments, they offer environmental sealing and a wide operating temperature range from -65°C to 200°C. Available in various shell sizes and insert arrangements, these connectors come in aluminum shells with options for plating, including cadmium-free finishes. With front and rear wall mount, as well as jam nut receptacles, they ensure secure connections. Utilizing M39029 rear release crimp contacts, they provide efficient signal transmission. Ideal for military applications, these connectors are RoHS certified and deliver high performance in demanding scenarios.