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 YACT24MH53JDV00100
The D38999/24MH53JD is a MIL-DTL-38999 III (D38999) jam nut receptacle, designed for harsh environmental conditions. This high-performance connector features 53 female socket contacts with gold plating, offering excellent conductivity and durability. With a voltage rating of 600V AC, 850V DC, and 1800Vrms, it is suitable for demanding applications. The composite shell construction, with electroless nickel finish coating, provides enhanced protection against corrosion and environmental ingress. Operating in a wide temperature range from -65°C to 200°C (-85°F to 392°F), this connector is ideal for military, aerospace, and industrial systems. With a mating type of triple start threaded, it ensures secure and reliable connections in mission-critical environments. RoHS non-compliant.