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 YACT24MH21HBV00100
The D38999/24MH21HB is a MIL-DTL-38999 III (D38999) jam nut receptacle designed for harsh environmental conditions. Featuring a rugged construction, this connector is ideal for military and aerospace applications. With 21 gold-plated contacts, it ensures reliable signal transmission in demanding environments. The composite shell with electroless nickel plating offers excellent durability and corrosion resistance, while meeting stringent military specifications. Rated for operating temperatures ranging from -65°C to 200°C, this connector is suitable for extreme conditions. Its triple start threaded mating type guarantees secure and stable connections, while its 1250 V DC voltage rating provides excellent electrical performance. The D38999/24MH21HB is a high-reliability connector that is perfect for use in mission-critical systems.