MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh operating conditions with a wide temperature range from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors come in front wall mount, rear wall mount, and jam nut receptacle options, along with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells, they offer multiple plating choices including cadmium-free finishes, meeting RoHS certification. Ideal for military and industrial applications, these connectors guarantee durability and reliability with features like bayonet coupling, gold contact plating, and environmental resistance.