GROCO TH-500-WS Nps Npt Steel Hull Fitting Nut 742985158887 1/2

( Brand: Groco ), ( Part Type: Fitting ), ( Manufacturer Part Number: TH-500-WS ), ( UPC: 742985158887 )

Review GROCO 1/2 Inch Nps Npt Combo Stainless Steel Thru hull Fitting Nut

Introducing the Groco TH-500-WS 1/2 NPS NPT Steel Thru-Hull Fitting Nut, a high-quality seawater intake component designed for durability and reliability in marine applications.

This Groco TH-500-WS nut is specifically engineered for use in 1/2 NPS (Nominal Pipe Size) and NPT (National Pipe Thread) thru-hull fittings. It is manufactured from robust, corrosion-resistant steel, ensuring it can withstand the harsh marine environment and continuous exposure to seawater.

The TH-500-WS nut features a unique, self-aligning design that simplifies installation and ensures proper positioning of the thru-hull fitting. The nut's tapered bore enables easy threading and secure sealing, while its rolled threads provide a strong, leak-free connection.

The Groco TH-500-WS nut comes with an integrated gasket made of a high-performance, marine-grade material. This gasket provides a reliable seal against seawater intrusion, preventing potential leaks and maintaining the integrity of your marine system.

Additionally, this nut is designed with a large, easy-to-grip handle, making it simple to tighten and secure the fitting in place. It is also compatible with various types of seacocks and thru-hull fittings, providing versatility and flexibility for a wide range of marine applications.

In summary, the Groco TH-500-WS 1/2 NPS NPT Steel Thru-Hull Fitting Nut is a robust and reliable component that ensures a secure, leak-free connection for your marine seawater intake system. Its high-quality steel construction, self-aligning design, and durable gasket make it the ideal choice for marine applications where durability and reliability are essential.

The Groco TH-500-WS 1/2 NPS NPT steel thru-hull fitting nut is a marine component used to secure thru-hull fittings for various applications, such as water intake or discharge lines. Here are some potential pros and cons of buying this product:

1. Durability: The TH-500-WS nut is made of steel and is designed to withstand the harsh marine environment. It is less likely to corrode or rust compared to other materials.

2. Compatibility: The NPS (National Pipe Thread) and NPT (National Pipe Taper) threading makes this nut compatible with a wide range of marine fittings and hoses.

3. Easy Installation: The nut has a large gripping surface and is designed to be easy to tighten by hand.

1. Cost: Compared to other types of nuts and fittings, the TH-500-WS nut may be more expensive due to its steel construction and compatibility with a wide range of applications.

2. Potential for Over-Tightening: The large gripping surface of the nut can make it difficult to determine when it has been tightened enough, potentially leading to over-tightening and damage to the fitting or hose.

In conclusion, the Groco TH-500-WS 1/2 NPS NPT steel thru-hull fitting nut offers durability and compatibility, but may be more expensive than other options and can be difficult to install properly. If you require a high-quality, long-lasting nut for marine applications, this product may be worth the investment. However, if cost is a concern or you are unsure of your ability to properly install the nut, you may want to consider alternative options.

If you are looking for a durable, long-lasting thru-hull fitting nut for marine applications and are willing to invest in a higher-priced option, the Groco TH-500-WS 1/2 NPS NPT steel thru-hull fitting nut may be a good choice for you. However, if cost is a concern or you are unsure of your ability to properly install the nut, you may want to consider alternative options such as brass or plastic nuts, or consulting a professional installer.

part # th500 prices

• $22.16-$28.59

specifications vesselvent:

• brand: Groco
• part type: Fitting
• manufacturer part number: TH-500-WS
• upc: 742985158887

offer vesselvent:

• started: November 11, 2025
• sold: 0
• quantity: 10
• options: Ship-to-home
• availability: In Stock

seller vesselvent:

• rating: 97.8%
• # reviews: 767

shipping vesselvent:

• type: Fixed
• transit: 3-6 Days
• carrier: FedEx
• class: Standard
• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00

general vesselvent:

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

payments vesselvent:

• credit card: Visa
• other
• wallet: Google-pay

returns vesselvent:

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

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