Threaded O-Ring Plug - Compatible Thread Standard - NSF ; Compatible Thread Sizes - 7/16-20 ; Threaded

Threaded O-Ring Plug is designed to prevent the entry of dirt and other contaminants and keep fluids or gases contained. The plug is easy to install or remove by hand, hex spanner or screwdriver. It protects 7/16-20 NS and NF Class 1-2-3 Standard Threads from leakage with a water tight seal. Red and made from PP.