Olympus 180 Series Port Nut This port nut is a compatible replacement part for Olympus 180 series flexible endoscopes (GIF-180 CF-180). It secures the ports and connectors in the control section of the endoscope. Key Features Precise threading for a secure fit Corrosion-resistant stainless steel Knurled surface for easy tightening Direct-fit replacement, no modification required Specifications Compatible Model GIF-180 CF-180 Material Stainless Steel Function Port Fastening