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30 Forum The Boat, Sails and Equipment Fuel Tank FMT-16-TP Inspection Plate Gasket

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Fuel Tank FMT-16-TP Inspection Plate Gasket #19432 04/14/25 02:44 PM
Joined: Jul 2004 Posts: 886 New Orleans, LA, USA David Erwin J30.us
David Erwin J30.us Joined: Jul 2004 Posts: 886 New Orleans, LA, USA	Anyone replaced a fuel tank inspection port gasket. Mine is 40+ years old and as hard as a rock. The gasket appears to be a 6" circle. I am willing to make a gasket if any has recommendations on type of fuel resistant rubber. Calling all engineers in the J/30 world for advice. nitrile rubber sheet? 1/16 of an inch? Dave@j30.us Last edited by David Erwin; 04/14/25 02:44 PM.

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Re: Fuel Tank FMT-16-TP Inspection Plate Gasket David Erwin #19433 04/15/25 07:12 PM
Joined: May 2007 Posts: 2,684 Likes: 1 Portsmouth, RI Rhapsody #348 Past J/30 Class President
Rhapsody #348 Past J/30 Class President Joined: May 2007 Posts: 2,684 Likes: 1 Portsmouth, RI	You nailed it Dave. Nitrile rubber (NBR), also known as Buna-N. 1/16" should be good. Bill Kneller Past Owner - Rhapsody J/30 #348 Projects & Documentation Core Replacement & Maintenance Blog Vento Solare J/109 #266

Re: Fuel Tank FMT-16-TP Inspection Plate Gasket Rhapsody #348 #19434 04/19/25 09:44 AM
Joined: Jul 2004 Posts: 886 New Orleans, LA, USA David Erwin J30.us
David Erwin J30.us Joined: Jul 2004 Posts: 886 New Orleans, LA, USA	I picked up Buna-B. Made a gasket. What material would you recommend sealing the screws? Permatex? Thanks Bill! Last edited by David Erwin; 04/20/25 07:40 AM.

Re: Fuel Tank FMT-16-TP Inspection Plate Gasket David Erwin #19435 04/21/25 06:56 AM
Joined: May 2007 Posts: 2,684 Likes: 1 Portsmouth, RI Rhapsody #348 Past J/30 Class President
Rhapsody #348 Past J/30 Class President Joined: May 2007 Posts: 2,684 Likes: 1 Portsmouth, RI	Yes - use Permatex High Performance Sealant with PTFE (Teflon). Bill Kneller Past Owner - Rhapsody J/30 #348 Projects & Documentation Core Replacement & Maintenance Blog Vento Solare J/109 #266

Re: Fuel Tank FMT-16-TP Inspection Plate Gasket Rhapsody #348 #19436 04/21/25 09:11 AM
Joined: Jul 2004 Posts: 886 New Orleans, LA, USA David Erwin J30.us
David Erwin J30.us Joined: Jul 2004 Posts: 886 New Orleans, LA, USA	Thanks Bill! This is why I love the J/30 Class and forum.

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