To Fit NPT Thread size: 1 inch. Knurled Head NPT Threaded Plugs. Knurled head design allows the user to install or remove these by hand easier. Used to protect NPT threads against contaminants and moisture.
- Material: High-Density Polyethylene
- Thread Size (NPT) : 1”
- A: 0.5 inches , 12.7 mm
- B: 1.565 inches , 39.75 mm
- C: 0.25 inches , 6.35mm
- D: 1.18 inches , 29.97 mm