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 YACT24JH53HCV00100
The D38999/24JH53HC is a high-performance MIL-DTL-38999 III (D38999) composite connector, designed for harsh environmental conditions. This jam nut receptacle features a rugged construction with a triple-start threaded mating type, ensuring secure and reliable connections in demanding applications. With 53 gold-plated contacts in a size 20 (53) pin configuration, it offers excellent conductivity and signal integrity. Rated for 7.5 A, 600 V AC, and 850 V DC, this connector is suitable for power and signal transmission. Its cadmium olive drab shell plating and conductive finish coating provide enhanced durability and environmental resistance, meeting service class J requirements. Operating in a wide temperature range from -65°C to 200°C (-85°F to 392°F), this connector is ideal for military, aerospace, and industrial applications that demand high reliability and performance.