Boat part number 1111987 is a new 2″ mushroom thru-hull from Marine Hardware, part number THMR-2.000-C . Commonly used on Cruisers Yachts, but may be used on other boats.
Features:
- Generous neck lengths, threaded close to the flange, accommodate a variety of hull thicknesses
- Machined sealant groove on the back of the flange to prevent leakage
- Made of 85-5-5-5 naval bronze
- Very sturdy wall thickness
- Complete with flanged jam nut
- Internal wrench lugs to aid in tightening nut during installation
This mushroom thru hull is constructed out of bronze with a chrome finish per manufacturer. Measures approximately 3 5/8″ Dia. x 4 1/8″ D overall and requires an approximate 2 3/8″ Dia. cutout. Has a max hull thickness of approximately 3″ and features a 2″ NPSM threaded connection per manufacturer.
See photos for measurements.
Specifications:
- Boat Manufacturer: Cruisers Yachts
- Part Manufacturer: Marine Hardware
- Part Number: THMR-2.000-C
- Material: Bronze
- Color: Silver
- Finish: Chrome (per manufacturer)
- Overall Dimensions: 3 5/8″ Dia. x 4 1/8″ D
- Cutout Dimensions: 2 3/8″ Dia.
- Max Hull Thickness: 3″
- Thread Size (per manufacturer): 2″ NPSM








