MIL-DTL-38999 Series I connectors offer reliable performance in harsh environments, boasting up to 128 contacts in a single insert. With a wide operating temperature range from -65°C to 200°C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they feature front and rear wall mount options, as well as jam nut receptacles. Utilizing M39029 rear release crimp contacts, they ensure secure connections. The high strength aluminum shells come with different plating options like electroless nickel and cadmium finishes, meeting diverse needs. RoHS compliant variants offer environmentally friendly solutions. These military-grade connectors, with their bayonet coupling and straight plug design, guarantee rugged performance in critical scenarios.