The RP1180C is a water-tight polycarbonate enclosure from the RP Series, sized at 6.46 in (164 mm) long, 3.39 in (86 mm) wide and 3.35 in (85 mm) deep, with a clear lid. It is the deepest option on the long, narrow 164 x 86 mm footprint, at 85 mm deep, and is ideally suited for mounting printed circuit boards or components in equipment that has to keep out oil, dust and water.

The body is polycarbonate with a UL94 V-2 flame rating. Hammond's ordering table and drawing list this part as off-white polycarbonate, while the part listing records the color as light gray, so confirm the shade if appearance matters for your build. Its lid is clear, so indicators, displays or status LEDs mounted inside stay visible without cutting a window, and the lid still carries the smooth recessed area for a membrane, label or silkscreen. The two-piece "tongue & groove" lid is gasketed and the enclosure is designed to meet IP 65. The rubber string gasket is included and must be field installed.

Inside, the drawing gives 158.71 mm [6.25 in] of length, 78.71 mm [3.10 in] of width and 79.00 mm [3.11 in] of height. Posts in both the box and the lid accept M3 self-tapping screws, and the maximum PC board size is 157 x 77 mm. Optional inner panels are available in 3 mm black ABS (STC117) or 1 mm metal (STA117) for mounting components on a plate.

The lid fastens with self-captivating M3.5 stainless steel machine screws threaded into corrosion-resistant bushings, which suits repeated assembly and disassembly; recommended torque is 43-50 ozf.in (30-35 cN.m). Each RP1180C ships as an assembly of box, lid, string gasket, 4 PCB screws and 4 lid screws, packed in a bag at a shipping weight of 0.62 lbs (0.28 kg). It is RoHS and REACH compliant.