The MIL-DTL-38999 III (D38999) harsh environment connectors offer rugged reliability in various applications. Available in wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, they come in 9 shell sizes and 54 insert arrangements. Featuring M39029 contacts in sizes 22D, 20, 16, 12, 10 power, and 8 twinax, these connectors ensure secure connections. With shell material options including aluminum, stainless steel, and lightweight composite, and plating choices like olive drab cadmium, nickel, and black zinc nickel, they cater to diverse needs. RoHS-compliant finishes and Boeing BACC-approved designs are also available. Ideal for demanding environments, these connectors guarantee performance and durability.