The 448-7873-009, also known as NEM-BS-199-N, is a backshell component for 19-way Nemesis quick termination cable plugs. This backshell is constructed from brass and features an electroless nickel finish. It has a rear thread size of 5/8-28-UN-2B and is designed to accommodate a maximum wire size of 22 AWG. Key dimensions include a ØC of 18.20 mm, a ØD of 11.25 mm, and a ØE of 12.85 mm. This component is used to provide strain relief and secure cable termination within a connector assembly, often in conjunction with a heat shrink boot.