The 1591RVBK is the deepest enclosure in the 1591R series: a square 120 x 120 x 94 mm black ABS case with an EMI/RFI copper conductive coating inside. It shares its 120 x 120 mm footprint with the 1591RUBK but adds depth for taller boards or bulkier components that need shielding.

Each enclosure part is molded from flame retardant ABS plastic, a material carrying a UL flammability rating of 94V-0, in a smooth black finish with black screws. The interior of each part is specially masked and sprayed with an RFI/EMI copper conductive coating, and the coating manufacturer specifies an attenuation of more than 75 dB from 1 MHz to 1 GHz. The enclosure is designed to meet IP54 and is listed as RoHS and REACH compliant.

The nominal size is 120 x 120 x 94 mm, and the drawing gives overall dimensions of 120.00 x 120.00 x 94.00 mm. The inside height of 89.90 mm and card guide height of 84.90 mm give the most vertical board space in the series. Internal side walls include molded-in card guides with a guide height of 84.90 mm and a slot width of 2.06 mm, making the case well suited to vertical mounting of printed circuit boards.

The purchased assembly includes the box, lid, 4 cover screws and pre-installed brass inserts. The lid is secured with M3 x 10 mm Phillips machine screws threaded into integral brass bushings, which suits applications where repetitive assembly and disassembly are required; recommended torque is 35.5-42.5 ozf.in (25-30 cN.m). The matching plastic flange kit for the 1591RVBK is 1591FUBK. Some chemicals can damage or weaken plastic, so check the manufacturer's chemical resistance guidance before using solvents, thread lockers or cutting fluids.