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.
10 Gulbransen Player Piano Phenolic Valve Discs 5/8" OD, 3/32" Thick
10 Original Style Solid Maple Wood Outer Valve Seats, Gulbransen Player Piano
90 Original Style Solid Maple Wood Outer Valve Seats, Gulbransen Player Piano
Set of 100 Leather 5/8” Valve Facings for Gulbransen Player Piano, New
Set of 100 Gulbransen Player Piano Phenolic Valve Discs 5/8" OD, 3/32" Thick
Set of 100 Leather 11/16” Valve Facings for Gulbransen Player Piano, New
