This is a A-102093AS Trans Disc: 10", organic, spring loaded PN: 102093ASMain Description As Following : A-102093AS Trans Disc: 10", organic, spring loaded P.N: 102093AS Spline Count: 19Spline Diameter: 1.562" Replaces: 102093AS-RO WHITE TRACTOR , 102093AS-R4B WHITE TRACTOR , 102093SP-RO WHITE TRACTOR , 2872 WHITE TRACTOR , Crossed From: SW02289 , , SW02290 , , W102093 , Found in Section & Models : Clutch Parts > Single Clutch, White/ Oliver/ Mpl Moline TRACTOR: SUPER 77 (S/N 6503>), White/ Oliver/ Mpl Moline TRACTOR: SUPER 88 (S/N <6502), White/ Oliver/ Mpl Moline TRACTOR: 77 (S/N 6503>), White/ Oliver/ Mpl Moline TRACTOR: 770 (S/N 6503>), White/ Oliver/ Mpl Moline TRACTOR: 88 (S/N <6502), White/ Oliver/ Mpl Moline TRACTOR: 880 (S/N <6502) Associated Items : New Also This is An Aftermarket Product And : Spline Count: 19 Spline Diameter: 1.562"