The Tapered Dual‑Function plug cap protects open ends by acting as either a cap over the outside or a plug inside the opening. The tapered geometry supports reliable seating on different port sizes, helping shield sensitive areas from dust, dirt, and moisture. Stable retention helps maintain clean connection points and reduces the chance of damage during movement. Quick application supports efficient packing and pre‑assembly processes.Attributes:• Helps prevent dirt and moisture ingress.• Retains position during vibration and handling.• Tapered design allows the part to plug multiple inner diameters or cap multiple outside diameters.Applications: The Tapered Dual‑Function plug cap is applied to open ports and fittings before storage or shipment to preserve cleanliness and protect connection integrity until installation.