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 YACT24MH35SDV00100
The D38999/24MH35SD is a MIL-DTL-38999 III (D38999) jam nut receptacle, part of the DEUTSCH 38999 Series III Composite Connectors. Designed for harsh environments, this circular receptacle features 100 gold-plated socket contacts in a triple start threaded mating configuration. With a shell size of 23 and contact size 22D(100), it offers reliable connectivity with a voltage rating of 400 V AC, 550 V DC, and 1300 Vrms. The composite shell construction, along with electroless nickel plating, ensures durability and environmental resistance, suitable for a wide range of applications. Operating temperature ranges from -65 to 200 °C (-85 to 392 °F), with a service rating of M. This high-reliability connector, also known by the alias YACT24MH35SDV00100, is ideal for demanding military, aerospace, and industrial settings.