MIL-DTL-38999 III (D38999) harsh environment connectors consist of wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs. They are offered in 9 shell sizes and 54 insert arrangements, utilizing M39029 contacts in sizes 22D, 20, 16, 12, 10 power, and 8 twinax. 38999 Series 3 connectors are offered in a variety of shell materials, including aluminum, stainless steel, and lightweight composite. They are also available in a wide assortment of plating options, including olive drab cadmium, nickel, black zinc nickel, and passivated stainless steel. Selection includes RoHS-compliant, cadmium-free finishes, as well as Boeing BACC-approved designs.
Part Aliases: TE Connectivity | Deutsch YACT24MH21AEV00100
MIL-DTL-38999 III (D38999) harsh environment connectors, designated as SKU D38999/24MH21AE, offer reliable performance in demanding conditions. This specific model is a jam nut receptacle with 21 contacts, featuring a composite shell construction for enhanced durability. With a voltage rating of 1250 V DC, 2300 Vrms, and 900 V AC, they are suitable for high-power applications. The connectors are designed for triple start threaded mating, ensuring secure and stable connections. Operating efficiently in a wide temperature range from -65 to 200 °C (-85 to 392 °F), they are ideal for military and aerospace use. The shell is plated with electroless nickel for added protection, making them environment resistant. RoHS-compliant and meeting stringent military specifications, these connectors guarantee performance and reliability in critical applications.