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 YACT24JH21HAV00100
The D38999/24JH21HA is a MIL-DTL-38999 III (D38999) jam nut receptacle, featuring a rugged construction for harsh environment applications. With 21 gold-plated contacts, it ensures reliable conductivity in demanding conditions. Rated for 7.5 A and 1250 V DC, 2300 Vrms, 900 V AC, this connector is suitable for high-power and high-voltage requirements. Its composite shell with cadmium olive drab plating offers excellent durability and environmental resistance, with an operating temperature range of -65 to 200 °C. Designed for military and aerospace use, it meets stringent performance standards, making it ideal for mission-critical systems. With a triple start threaded mating type and 1500-cycle contact mating life, it guarantees secure and long-lasting connections in the field.