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 YACT24MJ61HNV00100
MIL-DTL-38999 III (D38999) harsh environment connectors, featuring a jam nut receptacle design, are engineered for rugged applications. With 61 gold-plated male pin contacts in a composite shell, these connectors offer reliable performance in extreme conditions. Rated for up to 7.5 A and 850 V DC, they ensure robust power and signal transmission. The triple-start threaded mating system guarantees secure connections, while the environmental-resistant construction with an operating temperature range of -65 to 200 °C (-85 to 392 °F) suits demanding military and aerospace environments. With a service rating of I and 1500 cycle contact mating life, these connectors meet high-reliability requirements for critical systems. The DEUTSCH 38999 Series III Composite Connectors, with their Electroless Nickel shell plating and RoHS-compliant options, provide a durable and environmentally friendly solution for connectivity in mission-critical applications.