1438887-4 is a FAKRA SMB jack housing connector designed for automotive radio frequency interface applications per DIN 72594-1 standards. The housing is constructed from polyester PBT material in claret violet color and features I-position keying with coding ribs for proper mating identification. Key dimensional specifications include a maximum length of 21.38±0.20 mm, width of 11.45±0.20 mm to 11.56±0.20 mm, and a minimum hole diameter of 3.8 mm. This connector is commonly used in automotive radio systems and other RF applications requiring standardized FAKRA SMB interfaces with color-coded keying to prevent incorrect mating and ensure reliable signal transmission.