MODEL 51418R: HEX REDUCER – 1/4" MALE NPT TO 1/8" FEMALE NPT ADAPTER
PRECISION PORT REDUCTION & ACCESSORY INTERFACE
Bridge structural port variances seamlessly with the premium Kleinn Model 51418R Hex Adapter Reducer. Precision-machined to streamline component sizing layout paths, this commercial-grade step-down reducer allows you to adapt a larger 1/4" Female NPT receiver opening to accept a smaller 1/8" Male NPT accessory. It serves as an essential adapter for cleanly introducing specialized low-profile hardware straight into your standard onboard air manifold loops, distribution blocks, or air storage tank ports.
SOLID BRASS HEX-HEAD STABILITY
The Model 51418R features a robust hex-shaped block profile that provides an optimal tool layout for flat wrench engagement, allowing installers to easily apply perfect seating torque without distorting the threads. Machined entirely from industrial-grade brass, it delivers a high-pressure mechanical seal capable of continuously handling high-PSI environments. Precision-cut threads maintain a snug, rigid grip under heavy automotive chassis vibration, making it ideal for plumbing dashboard gauges, diagnostic pressure sensors, and electronic safety switches.
Why Choose the 51418R Hex Reducer?
- Seamless Port Reduction: Adapts a standard 1/4" Female NPT port down to a 1/8" Female NPT thread path without stacking multiple adapters or bulky pipe extensions.
- Compact Hex Nut Body: Low-profile hex collar provides flat grip surfaces for tight wrench work inside cramped engine bays, vehicle dashboards, or chassis gaps.
- Industrial Grade Brass: Precision-machined metal housing provides excellent corrosion resistance and superior safety margins in high-PSI systems.
- Vibration Resistant Fit: Deep, clean, matching thread cuts ensure a leak-proof structural connection that won't back out under extreme off-road or highway movement.
THE VERDICT:The definitive threaded reducer for custom electrical sensor and gauge integration. The Model 51418R combines a heavy-duty industrial brass casting with a low-profile footprint to guarantee your accessory ports remain completely secure and leak-free.
What's Included in the Box
- Hex Reducer Adapter: One (1) Model 51418R 1/4" Male NPT to 1/8" Female NPT Brass Threaded Fitting.
🔴 PRO TIP: Prevent hidden system leaks and thread fractures. When winding this hex adapter into your manifold or tank ports, avoid over-torqueing to protect the brass walls from stress cracking. Always apply a few drops of liquid anaerobic thread sealant compound like our genuine Kleinn JUICE across the 1/4" Male NPT threads to block out slow, phantom pneumatic pressure drops.
PRODUCT SPECIFICATIONS
| Feature | Details |
| Part Number | KL 51418R (51418R) |
| Fitting Interface Type | Threaded Hex Reducer / Step-Down Adapter Nipple |
| Male Thread Connection Size | 1/4" Male NPT (National Pipe Thread) |
| Female Thread Connection Size | 1/8" Female NPT (National Pipe Thread) |
| Material Composition | Precision Industrial-Grade Solid Brass Construction |
| Primary Functional Utility | Mounting 1/8" NPT accessories into 1/4" NPT ports |
| Component Weight | 0.05 lbs |
