The TE Connectivity AMPLIMITE 5207719-1 is a female jackscrew socket — the threaded receptacle half of the D-sub locking hardware set. It carries a 4-40 Socket thread on one end and mates with a 4-40 Screw on the opposite side, giving you the captive screw that secures the connector pair. The threaded portion below the head measures 0.560" (14.22 mm), which is the standard length for reaching through the D-sub shell and engaging the mating jackpost. It ships as two complete sets per bag, with all hardware included — no separate washers or nuts to source.
Mating Compatibility — HD and HDF D-Subs
This jackscrew socket is listed for use with AMPLIMITE Series HD and HDF related products. That means it fits the high-density D-sub shells in those families — the ones with more contacts per shell size. The 4-40 thread is the standard UNC 4-40 used across nearly all D-sub locking hardware, so it also works with standard AMPLIMITE shells and many third-party D-subs that accept a 4-40 jackpost. The key dimension is the 0.560" thread length: it's long enough to pass through the full shell thickness and still engage the mating screw without bottoming out.