Known usage: (there may have been others)
• Catalina 310: Macerator discharge
• Catalina 34: Engine raw water intake
• Catalina 387: Engine raw water intake
• Catalina 390: Macerator discharge
• Catalina 400: Forward macerator discharge
• Catalina 440: TBA, (1) listed in valve kit
• Catalina 470: Aft macerator discharge

A potential upgrade to a much stronger seacock style macerator discharge valve aboard...
Use your discretion to match correct size/configuration:

Boats with early brass pipe nipple through hull:
• Catalina 27
• Catalina 30
• Catalina 38

Boats with early through hull + ball valve installation:
• Catalina 27
• Catalina 28
• Catalina 30
• Catalina 34
• Catalina 36
• Catalina 38
• Catalina 42

• Valve configuration: 90 degree elbow
• Height from base to top of handle when valve is open (maximum height not including wood mounting ring): ~ 6.19"
• Barb size: 1"
• Thru-hull outside thread diameter: 1.60"
• Thru-hull outside diameter: ~1-5/8"
• Thru-hull inside diameter: 1-1/16"
• Thru-hull length overall: 2-15/16"
• Thread type: Buttress

There are three possible configurations of this valve depending on the direction of the hose barb in relationship to the handle. When looking down at the valve, with the handle nearest you, the valve is: "Right" (N0048) if the barb points to the right, "Left" (Z5369) if the barb points to the left, and "Standard" (#Z3860) if the barb points away from the handle side.