GROCO 75330 Scoop Hull Nut 742985063891 3/4

( Brand: Groco ), ( Part Type: Scoop ), ( Manufacturer Part Number: 75330 ), ( UPC: 742985063891 )

Review GROCO 3/4 Inch Bronze Combo Scoop Thru hull Nut

Introducing the Groco 75330 3/4 Scoop Thru-Hull Nut, a high-quality marine accessory designed to provide reliable and efficient water flow for various applications on your boat. This scoop thru-hull nut is manufactured by Groco, a well-known and trusted name in the marine industry, ensuring you get a product of superior craftsmanship and durability.

The 3/4 Scoop Thru-Hull Nut is specifically designed with a 3/4 scoop shape, which effectively reduces turbulence and vortexing, allowing for smoother water flow into your boat's systems. This not only ensures optimal performance of your marine equipment but also reduces the potential for unwanted air entrainment.

Constructed from corrosion-resistant materials, this thru-hull nut is built to withstand the harsh marine environment. The nut is made from brass, while the insert is made from 316L stainless steel, providing excellent resistance to corrosion and ensuring a long-lasting, leak-free installation.

The 3/4 Scoop Thru-Hull Nut comes with a size 1-1/2" NPT thread pattern, making it compatible with various marine applications such as seawater intake, bilge pumps, and other water systems. The nut features a left-hand thread for easy installation and removal, ensuring that it remains securely in place once tightened.

Additionally, the Groco 75330 3/4 Scoop Thru-Hull Nut is designed with a groove on the exterior of the nut, allowing for the use of a gasket or sealant for an extra layer of protection against leaks. This feature ensures a secure and watertight installation, providing peace of mind for boat owners and operators.

In summary, the Groco 75330 3/4 Scoop Thru-Hull Nut is a high-performance, corrosion-resistant marine accessory designed for reliable water flow and optimal system performance. Its unique scoop shape reduces turbulence, while its brass and 316L stainless steel construction ensures durability and resistance to corrosion. With a size 1-1/2" NPT thread pattern and a left-hand thread, this thru-hull nut is compatible with various marine applications and provides a secure, watertight installation.

The Groco 75330 3/4 inch thru-hull nut is a common component used in marine applications for attaching thru-hull fittings to the hull of a boat. Here are some pros and cons of buying this particular nut:

1. High-quality material: The Groco 75330 nut is made of brass, which is a durable and corrosion-resistant material that is commonly used in marine applications. Brass is less prone to galvanic corrosion than stainless steel, making it an excellent choice for seawater use.

2. Secure fit: This nut has a tapered design that provides a secure fit and helps prevent leaks. The tapered design also makes it easier to install and remove, as it minimizes the need for excessive force.

3. Wide application: This nut is suitable for a variety of thru-hull fittings, including seacocks, intake valves, and bilge pumps.

4. Affordable: Compared to other high-quality thru-hull nuts, the Groco 75330 is relatively affordable.

1. May require additional sealant: While the brass material is corrosion-resistant, it is still recommended to use a marine-grade sealant to ensure a watertight seal.

2. Requires a specific wrench: To install or remove the nut, a 3/4 inch tapered wrench is required. This wrench may not be readily available in all hardware stores, so it's important to check availability before making a purchase.

3. May not be suitable for high-pressure applications: This nut is designed for general-purpose use and may not be suitable for high-pressure applications, such as raw water intake for engines.

The Groco 75330 3/4 inch thru-hull nut is a reliable and affordable option for marine applications that require a tapered nut. Its brass material provides excellent corrosion resistance, and its tapered design ensures a secure fit and easy installation. However, it may require additional sealant and a specific wrench for installation, and may not be suitable for high-pressure applications.

If you are looking for a high-quality, corrosion-resistant thru-hull nut for general-purpose marine applications, the Groco 75330 is an excellent choice. However, be sure to have a 3/4 inch tapered wrench on hand, and consider using marine-grade sealant to ensure a watertight seal.

part # 75330 prices

• $32.99-$45.99

specifications vesselvent:

• brand: Groco
• part type: Scoop
• manufacturer part number: 75330
• upc: 742985063891

payments vesselvent:

• other
• credit card: Discover
• wallet: Apple-pay

shipping vesselvent:

• type: Fixed
• carrier: FedEx
• cost: $0.00
• class: Standard
• transit: 4-8 Days
• service: FedEx Ground or FedEx Home Delivery

seller vesselvent:

• # reviews: 752
• rating: 95.6%

returns vesselvent:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

general vesselvent:

• Parts Accessories > Boat Parts > Plumbing Ventilation
• condition: New

offer vesselvent:

• started: July 27, 2025
• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 2

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