• Valve configuration: Female pipe thread, straight
• Thread size: 3/4"
• Thru-hull outside diameter: 1-3/32"
• Thru-hull inside diameter: 5/8"
• Thru-hull length overall: 3"
• Thread type: Buttress
• Height from base to top of handle when valve is open (maximum height not including wood mounting ring): ~ 4.5"

Known usage: (there many have been others):
• Catalina 28: Galley sink drain
• Catalina 310: Macerator discharge (early models)
• Catalina 34: (2) total, (1) macerator discharge, (1) galley sink drain
• Catalina 36: (2) total, (1) macerator discharge, (1) galley sink drain
• Catalina 42 (all models): (3) total, (2) for macerator discharge, (1) galley sink drain