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<span style= >Thru-Hull 3/4", Mushroom, Threaded Bronze</span>

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Thru-Hull 3/4", Mushroom, Threaded Bronze

Part #: Z5242
$38.39
This National Pipe Straight Mechanical threaded mushroom style thru-hull. Usually we would recommend the Marlon thru-hull due to its strength and corrosion resistance, but its length is limited. This bronze 3/4" thru-hull is used in situations where an extra length is required in the hull. Locations include sink drain and head intake in a wide variety of boats, from the Catalina 22 to the Catalina 42.
• Thread type: 3/4" National Pipe Straight Mechanical (NPSM)
• Outside diameter of thread: 1-1/32"
• Outside diameter of flange: 1-7/8"
• Length overall: 5-5/8"
• Thickness of head: 5/16"
• Length under head to end: 5-5/16"
• Length of thread: 5-1/4"
• Thickness of nut: 5/16"
• Maximum usable length (flange to flange nut): 5"
• Minimum usable length (flange to flange nut): 0"

Technical Support

Through Hull Evolution - Caution Vintage Catalina Owners!
Through Hull Evolution - Caution Vintage Catalina Owners!
To change or not to change? Don't let that question keep you up at night, but pray it is not water waking you in the morning.
Pipe Sizes and Why They Are So Confusing
Pipe Sizes and Why They Are So Confusing
Why doesn't my 3/8" NPT fitting measure 3/8"?

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