Caplugs NPT-4000 NPT Series – Plastic Plug for NPT Fitting, 4 Pack, White HD-PE, Thread Size 4" Dust Plugs, Fully Threaded, Plumbing, Piping, Hydraulics, Construction, Infrastructure (99392801)

★★★★★ 4.7 149 reviews

$107.56
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by beatrizdujovneauthor.com
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
$107.56
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives Jul 5
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by beatrizdujovneauthor.com
Free 30-day returns Details

Product details

Management number 231546836 Release Date 2026/06/18 List Price $43.02 Model Number 231546836
Category
  • NPT SERIES: Lightweight and durable, Caplugs NPT Series Plugs for NPT Fittings are white-colored threaded plugs that are designed to lock tight in order to protect NPT tapered fittings against thread damage during shipping and storage. They can also be used as dust plugs to keep out contaminants and moisture.
  • TAPERED DESIGN: Caplugs NPT Series Plugs for NPT Fittings are fully threaded and feature a tapered design that ensures a tight fit, but they do not seat all the way down on the fitting as is commonly found with true NPT tapered NPT threads. This allows for easier installation and removal.
  • FOUR DIFFERENT SIZES: Our NPT Series plugs are conveniently available in four sizes for 2", 2.5", 3" and 4" threaded fittings. All sizes include a 1" lug on top of the part requiring only one tool to tighten and remove. This specific model fits Thread Size 4" and a schedule size of 80
  • DENSE AND TOUGH: Caplugs NPT Series Plugs for NPT Fittings are constructed from high-density polyethylene (HD-PE), a lightweight thermoplastic polymer known for its high strength, density and durability. It is exceptionally resistant to a wide range of chemicals, including acids, bases and solvents, as well as resistant to environmental stress cracking and corrosion. It has a service temperature range of 0° F (-18° C) to 215° F (102° C).
  • PARTS YOU CAN TRUST: Caplugs prides itself on its extensive line of premium products that are suitable for a plethora of industries, from aviation to medical, general manufacturing and everything in-between. At Caplugs, we provide the broadest range of solutions and the highest quality parts right when you need them. Our teams work diligently to ensure consistent results, with more engineers on staff, processes for creative solutions and molding experts for reliable quality.

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.7 out of 5
★★★★★
149 ratings | 61 reviews
How item rating is calculated
View all reviews
5 stars
86% (128)
4 stars
2% (3)
3 stars
1% (1)
2 stars
1% (1)
1 star
10% (15)
Sort by

There are currently no written reviews for this product.