The D38999/21YB4XD is a rugged and reliable MIL-DTL-38999 Series III circular connector, designed for high-reliability applications in demanding environments. Featuring a nickel iron alloy contact material with gold plating, this connector ensures optimal conductivity and corrosion resistance. With a shell size of 11 and box mount receptacle configuration, it offers secure and stable connections. The stainless steel shell construction, passivated shell finish, and threaded locking mechanism provide durability and protection against harsh conditions. Suitable for use with 24 to 20 AWG wire sizes, the B4 insert arrangement and D keying position guarantee proper mating. Trusted for its military specification compliance and superior performance, the D38999/21YB4XD is essential for critical communication and power systems in aerospace, defense, and industrial applications.
