Cap type: NPT threaded per ASME B1.20.1, Material: cast 316 Stainless Steel, Class 150, NPT size: 1/8 inch, Width: 0.63 inch, Height: 0.67 inch, Approx weight: 0.03 LBS
Click here for a downloadable and printable specification sheet on class 150 316 stainless steel NPT threaded caps