MIL-DTL-38999 Series I connectors offer rugged reliability with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. With a wide range of plating options, including cadmium-free finishes, they ensure optimal performance in temperatures ranging from -65°C to 200°C. The high strength aluminum shells, along with gold-plated removable crimp contacts, guarantee durability and conductivity for critical applications. Meeting MIL-DTL-38999 I military specifications, these connectors are ideal for demanding environments requiring reliable electrical connections.