I'm Howard Gustafson and I've been a player piano technician since 1985. Original part number 668. 1-1/8" OD, 7/16" ID, 1/16" thick.
Set of 100 Gulbransen Player Piano Phenolic Valve Discs 5/8" OD, 3/32" Thick
Set of 100 Cork Gaskets for Gulbransen 3 Tier Player Piano Unit Valves, New
Set of 100 Leather 5/8” Valve Facings for Gulbransen Player Piano, New
Set of 100 Leather 11/16” Valve Facings for Gulbransen Player Piano, New
Set of 100 Cork Gaskets for Ampico B Player Piano Decks, New
Set of 100 Cork Gaskets for Amphion “Upside Down” Player Piano Unit Valves, New
