Product Overview
Inspection port complete assembly. 4 inch (100mm) flat surface style.
These are the flat model now used on Nacra decks.
Needs small ss washers between the hull and the underside of the base to prop up the gap to stop flex and then fill with white silicon.
They suit a hole opening of 115mm.
Bolt hole diameter 131mm approx
Base internal opening 104mm approx
Lid thread diameter OD 105.7mm
NCA (nacra) make.
