Allen A.537 Inspection Hatch Cover - 6" Grey.

Allen 6" Inspection Hatch. Sealing rings not supplied with hatch - can be purchased separately - See related item.

The gasket (body) is fixed to the hull of the boat and the A.538 O ring is placed around the gasket, under the small lip. The hatch cover lid is then screwed tight onto the gasket and forms a seal with the O ring around the external diameter of the hatch.

• Fixing hole size: 3mm
• Cut out size: 157mm
• Opening size: 145mm
• 'O' ring required: A.538 - See HERE
• Weight: 111g

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