This is a A-RE72925 Trans Disc: 11", 4-button, spring loaded PN: RE72925Main Description As Following : A-RE72925 Trans Disc: 11", 4-button, spring loaded P.N: RE72925 Spline Count: 19Spline Diameter: 1.4062" Found in Section & Models : Clutch Parts > Collar Shift, John Deere TRACTOR: 5210 (less Cab 321723> or w/ Cab 321726>), John Deere TRACTOR: 5220, John Deere TRACTOR: 5310 (less Cab 332930> or w/ Cab XXXXXX>), John Deere TRACTOR: 5320, Clutch Parts > Double Clutch, John Deere TRACTOR: 5105, John Deere TRACTOR: 5205, Clutch Parts > Sync Shuttle, John Deere TRACTOR: 5210 (less Cab 321730> or w/ Cab 321727>), John Deere TRACTOR: 5220, John Deere TRACTOR: 5310 (less Cab 332795> or w/ Cab 332796>), John Deere TRACTOR: 5320, John Deere TRACTOR: 5320N Associated Items : New Also This is An Aftermarket Product And : Spline Count: 19 Spline Diameter: 1.4062"