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Kleinn Air Horns

Kleinn Hex Adapter - 3/8In F NPT to 1/2In M NPT

Manufacturer part number: 51238R

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CODE: KLE51238R
$5.58
$4.29 Available to order Sold out
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The Kleinn Model 51238R is a heavy-duty pneumatic hex adapter engineered to provide a secure, leak-free transition between different thread sizes within your high-pressure onboard air system. Featuring a premium, corrosion-resistant brass construction built to withstand demanding automotive environments, this universal component is designed with a 3/8" Female NPT threaded opening on one side and a 1/2" Male NPT threaded end on the other. This compact fitting allows you to easily adapt oversized tank ports or component lines, maximizing plumbing efficiency and ensuring a reliable air path for your air horns and heavy-duty onboard accessories.

Installation Instructions
Installation Instructions
  • 3/8" F NPT to 1/2" M NPT
  • Brass construction