The 86303640BLF is a D-SUB plastic backshell designed for straight snap-together connector applications. It features UNC 4.40 threading with a black jackscrew and is constructed from nylon material (UL94 V-2) for durability and flame resistance. The backshell includes a cable strain relief clamp with self-tapping capability, and supports multiple grommet position options (A, B, C, or without grommet) for flexible cable management. Key dimensions include a length of 47.3 mm and width of 37.3 mm, with a tolerance standard of ±0.3 mm. This connector is ideal for applications requiring secure cable strain relief, modular assembly, and reliable D-SUB connectivity in industrial and electronic equipment.