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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
5/8 Outer Diameter DOT Nylon Air Brake Tube UnionThe 5 8" Tube OD x 5 8" Tube OD DOT Nylon Air Brake Union is a high performance fitting designed for joining two sections of 5 8 inch outer diameter (OD) DOT approved nylon air brake tubing. Engineered for durability, safety, and compliance with DOT (Department of Transportation) standards, this union ensures leak free and secure connections in air brake systems for commercial trucks, trailers, and other heavy duty vehicles. Specifications Details
The 5/8" Tube OD x 5/8" Tube OD DOT Nylon Air Brake Union is a high-performance fitting designed for joining two sections of 5/8-inch outer diameter (OD) DOT-approved nylon air brake tubing. Engineered for durability, safety, and compliance with DOT (Department of Transportation) standards, this union ensures leak-free and secure connections in air brake systems for commercial trucks, trailers, and other heavy-duty vehicles.
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Specifications |
Details |
| TYPE | Tube Union |
| DESIGN | Secure, Leak-Proof Seal – prevents air leaks, ensuring efficient brake performance. |
| MATERIAL | Brass for corrosion resistance and durability |
| MATERIAL CONSTRUCTION | Brass |
| WEIGHT (lbs) | |
| CONNECTION SIZE 1 | 5/8" |
| CONNECTION SIZE 2 | 5/8" |
| CONNECTION TYPE | Tube|Tube |
| CONNECTION TYPE 1 | Tube OD |
| CONNECTION TYPE 2 | Tube OD |
| FITTING TYPE | Union |
| FOR USE WITH | SAE J844 Type A and B NT Nylon Tubing |
| PRESSURE RATING | 150 psi |
| TEMPERATURE RATING | -40 to 200 deg F |
| THREAD SIZE | 13/16-18 |
| APPLICATIONS | Ideal for air brake systems except where temperatures exceed +200 deg F or where battery acid can drip on tubing |
| Brand | Midland Industries |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 2186 reviews
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Product Reviews
★★★★★ 3
Engaging and Fun, But Lacks Durability for Strong-Gripped Dogs
Color: Green
The internal mechanism of this toy works very well, and the ball’s movement immediately caught the attention of my Boxer pup. He was absolutely fascinated and spent hours each day playing with it. However, while the toy’s design is engaging, the durability of the exterior leaves much to be desired—especially for dogs who tend to pick things up with a firm grip.
We didn’t know what to expect since our pup hadn’t previously played with an interactive ball, so we supervised playtime and made sure to store the ball in a safe spot when we couldn’t keep an eye on him. Despite this, the ball didn’t hold up. Our pup wasn’t intentionally chewing it. He simply carried the ball in his mouth when we moved downstairs or to another room, yet the grip while he carried the ball caused significant damage to the exterior. Within about a week of regular use (approximately 40 hours in total), the ball’s outer layer became deeply gouged by his teeth.
To clarify, my pup wasn’t biting down hard or trying to destroy it, but his natural grip while carrying the ball left deep grooves in the surface. In just days, these gouges made the exterior sharp to the touch and compromised the structure. By the end of the week, we couldn’t screw the cover back together after removing it to recharge the ball, which made it unusable. And I was dismayed that there aren’t replacements readily available.
Overall, my pup absolutely loved this toy — it was engaging and kept him entertained for hours. However, if your dog has a strong grip or frequently carries toys in their mouth, this may not hold up as well as expected. It’s a great concept but needs a more durable outer layer and replacement hard covers to make it a long-term investment.
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Reviewed in the United States on January 3, 2025
★★★★★ 5
My dog loves this ball
Color: Green
The battery on this lasts forever. The random on/off motion and when it gets touched inducing motion just keeps my dog guessing and occupied for a long time. My dog's tail is wagging the whole time.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Great ball
I have bought two of these in different colors. My Yorkie loves them. They’re very interactive even if you don’t put the cover on it they move and if he’s not playing with it, it tends to go into sleep mode.My Yorkie got the cover off the ball within the first two minutes. But he loves the ball. Now bought 2nd ball. The ones with covers don’t work he rips the covers off.
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Reviewed in the United States on October 15, 2025
★★★★★ 5
Super Fun
Color: Green
One of the most entertaining things you could buy. The dogs go crazy over it and have so much fun. It's a bit loud on hard floors, but honestly worth it for the laughs. Seems pretty durable too.
I have 2 labs; one started out uninterested and the other started off scared of it, but not too long after, they both started going crazy, tossing and carrying it around while it shook.
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Reviewed in the United States on March 21, 2026
★★★★★ 4
Great customer service
Bought this for our dog for Christmas! He loved it! It sadly stopped working shortly after. Recently emailed the product site themselves and they sent a new one that week! Great customer service and great toy!!
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Reviewed in the United States on February 25, 2026