Description HOLDS THE LOCKING DUST CAP ON. 2 inch Nut has an Outside Diameter of 2 7/8 inches ACME Threads Look at detail images for proper way to measure sanitary stainless steel threaded fittings Gray Plastic Hexnut for Mueller 2 inch Milk Tank Valve Fits all Milk Tank Valves with a 2 inch threaded bevel seat outlet. Made of Gray Zytel® Nylon that is super strong, lightweight and resistant to dairy chemicals 30238 46673 5744155 Same as GEA number 7750-0080-072 Also available in stainless steel at link below Made in USA Original Parts by Paul Mueller Company Related Items; M-30237 - 2 Inch Locking Dust Cap or End Cap M-30238 - 2 Inch Gray Plastic Nut (this item) 1000-392 - 2 Inch Stainless Steel Nut 1000-572 - 2 Inch Stainless Steel End Cap updated December 2025