Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Has locknut with bonding screw. Comes with nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.
Thread: G 1 1/2"
A: 3.15"
B: 0.30"
C: 2.89"
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