MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an insert. Designed for harsh environments, they feature front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for demanding applications. They come in 9 shell sizes and 52 insert arrangements, utilizing M39029 rear release crimp contacts. Constructed with durable aluminum shells, they are available in various plating options, including cadmium-free finishes. These connectors meet stringent military specifications for reliability and performance in critical operations.