White plastic inspection port with a 4" (100mm) opening. These opening ports are useful for sealing off compartments in sailing dinghies and other vessels while still allowing access. This is a two-part item consisting of a screw lid and a flange unit. The flange has six countersunk fixing holes to take 8-gauge screws. Six concentric ridges on the underside of the flange allow a fully waterproof seal when installed with a suitable marine silicon or mastic.
- Nairn inspection ports are manufactured to high tolerances using premium ABS plastic materials to provide high strength, durability and watertightness even in the most demanding applications.
- Holes Centre to Centre around the perimeter: 54mm
Please Note: Screws for installation are not included.
| Part number | Spigot Depth | Overall Diameter | Inside Diameter |
|---|---|---|---|
| SAW-36101 | 10mm | 145mm | 100mm |
