Sloan F-5-A-U Royal Spud Coupling Assembly, 1-1/4" x 3" - Includes Flange, Slip Joint Gasket and Friction Ring - For use with Sloan Royal Flushometers, Original OEM Parts, 0306140 - Pipe Fittings - Amazon.com
Sloan Commercial Toilet Spud Washer Replacement, How to - YouTube
Amazon.com: Toilet Spud
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American Standard 1.5 in. Brass Inlet Spud for Toilet and Urinal 047007-0070A - The Home Depot