FNW FNWNBGZ1RR8L: 2-1/2 in. 150# Red Rubber 1/8 in. Nut, Bolt & Ring Gasket AssyFNW FNWNBGZ1RR8L: 2-1/2 in. 150# Red Rubber 1/8 in. Nut, Bolt & Ring Gasket Assy.