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 YACT24JH21JDV00100
MIL-DTL-38999 III (D38999) harsh environment connectors, designated as SKU D38999/24JH21JD, are essential components for rugged applications. Featuring a durable composite shell with olive drab cadmium plating, these jam nut receptacles ensure reliable connectivity in demanding conditions. With a contact arrangement of 21 gold-plated sockets (size 16), they offer high performance with a current rating of 7.5 A and voltage capabilities up to 1250 V DC. Engineered for military specifications, these connectors guarantee robust operation across a wide temperature range from -65 to 200 °C. Their triple-start threaded mating design enhances secure connections, while their 1500-cycle contact mating life ensures long-term durability. Perfect for high-reliability applications, these connectors are a trusted solution for aerospace, defense, and other mission-critical industries.