1658539-2 is an AMPLIMITE HDP-20 series D-subminiature crimp snap-in contact cable connector designed for reliable signal connections in various electronic applications. The connector features a tin plated steel shell and a 94V-0 rated thermoplastic black insert, providing both durability and flame resistance. It is intermateable with any size 20 or 22 D-subminiature connector dimensionally complying with MIL-C-24308. Common applications include industrial machinery, medical instrumentation, computers and peripherals, RAID storage arrays, file servers/routers, and workstations.