Ground Joint Wing Nut – GN
Used for high pressure steam and air
GN-2 – 1/2″ GN-3 – 3/4″ – 1″ GN-5 – 1-1/4″ – 1-1/2″ GN-8 – 2″ GN-10 – 2-1/2″ GN-12 – 3″ GN-16 – 4″