D38999/20WF32PN is a MIL-DTL-38999 Series III subminiature connector designed for rugged, harsh environment applications in aerospace, defense, and marine industries. The connector features a straight plug configuration with a stainless steel shell and electrodeposited nickel plating, providing excellent corrosion resistance with 48-hour salt spray protection. It employs a threaded 360° turn coupling mechanism with scoop-proof design and environmentally sealed construction, supporting up to 187 maximum signal contacts with AS39029 contact type in multiple styles including crimp, solder cup, eyelet, and PCB tail options. Operating across a temperature range of -65°C to +150°C depending on shell finish, the connector offers 500 mating cycles durability with higher durability versions available, making it ideal for demanding aerospace and defense applications requiring reliable electrical connectivity in extreme conditions.