Shop 5406-HP-SS Stainless Hollow Hex Male NPTF Pipe Plugs

SAE 130109

The Series 5406-HP-SS Hollow Hex Male NPTF Pipe Plugs are durable, high-performance fittings designed to seal unused NPTF (National Pipe Tapered Fuel) ports in hydraulic and fluid power systems. Constructed from stainless steel, these hollow hex male plugs feature NPTF threads, providing a secure, leak-free seal through metal-to-metal contact when tightened. The hollow hex design allows for easy installation and removal with standard wrenches, making them ideal for maintenance, testing, or assembly. Stainless steel construction offers superior resistance to corrosion, making these plugs perfect for demanding, high-pressure environments. The Series 5406-HP-SS plugs are essential for ensuring reliable, long-lasting performance, preventing fluid leaks, and maintaining system integrity in fluid transfer systems.

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Male NPT Plugs

1/16" to 2" Nominal Tube OD

Stainless Steel

Click HERE to view the entire 5406-HP-SS Stainless Steel Plug MNPT Selection

Click HERE to view the entire 5406-HP Carbon Steel Plug MNPT Selection

Click HERE to view the entire 5406-HP-B Brass Plug MNPT Selection

Shop 5406-HP-SS Stainless Hollow Hex Male NPTF Pipe Plugs

Click on the model number in the chart below to view that adapter.

Need Carbon Steel? Click HERE for our Steel 5406-HP Series Adapters.


Product SKU â–Ľ Brand â–Ľ Material â–Ľ Male NPTF Threads â–Ľ Lead Time â–Ľ Price â–Ľ
5406-HP-01-SS OneHydraulics Stainless Steel 1/16-27 (-01) 1-3 Days $6.44
5406-HP-02-SS OneHydraulics Stainless Steel 1/8-27 (-02) 1-3 Days $6.37
5406-HP-04-SS OneHydraulics Stainless Steel 1/4-18 (-04) 1-3 Days $7.31
5406-HP-06-SS OneHydraulics Stainless Steel 3/8-18 (-06) 1-3 Days $8.73
5406-HP-08-SS OneHydraulics Stainless Steel 1/2-14 (-08) 1-3 Days $12.55
5406-HP-12-SS OneHydraulics Stainless Steel 3/4-14 (-12) 1-3 Days $18.93
5406-HP-16-SS OneHydraulics Stainless Steel 1-11-1/2 (-16) 1-3 Days $26.32
5406-HP-20-SS OneHydraulics Stainless Steel 1-1/4-11-1/2 (-20) 1-3 Days $114.50
5406-HP-24-SS OneHydraulics Stainless Steel 1-1/2-11-1/2 (-24) 1-3 Days $104.95
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Items in this collection are equivalent or similar to Series Aeroquip 2222, Flodar PFH60, Form Rite 248, 

Imperial 24-SR, Lenz HHP, Parker Tube HHP, Parker Hose 01HP, Weatherhead C3169.

See the chart below for additional Dimensional Detail & Pressure Ratings




Still need help? Give us a call at 281.941.2310 or email us at sales@onehydraulics.com for technical support.