MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering robust environmental sealing and a wide operating temperature range from -65°C to 200°C. This harsh environment connector family includes front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. With 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts in various sizes, including coax and twinax. Constructed with high-strength aluminum shells, these connectors come in a range of plating options, such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS certified cadmium-free finishes available. Ideal for military applications, these connectors ensure reliable performance with their bayonet coupling, gold-plated contacts, and 500-cycle mating life. Suitable for environments requiring EMI/RFI protection, they offer environment-resistant features for box and through bulkhead mounting receptacle types.
