This is a A-A36147 Trans Disc: 10", organic, spring loaded PN: A36147Main Description As Following : A-A36147 Trans Disc: 10", organic, spring loaded P.N: A36147 Spline Count: 17Spline Diameter: 1.125" Replaces: A36147-RO CASE Found in Section & Models : Clutch Parts > Single Clutch, Case-IH TRACTOR: 430 (Diesel S/N 8191148>), Case-IH TRACTOR: 431, Case-IH TRACTOR: 440, Case-IH TRACTOR: 530 (Diesel S/N 8191148>), Case-IH TRACTOR: 531, Case-IH TRACTOR: 540 SERIES, Case-IH TRACTOR: 541, Case-IH TRACTOR: 630 (Diesel S/N 8191148>), Case-IH TRACTOR: 634, Case-IH TRACTOR: 640 Associated Items : New Also A-CA-O-430, A-CA-O-430530, A-CA-P-430, A-CA-P-430530-L, A-CA-P-430530E, A-CA-P-430530M, A-CA-S-CAS-O-MAT, A-FRM-ACCACO, A-SMC202, A-CA-O-430, A-CA-O-430530, A-CA-P-440441, A-SMC202, A-CA-O-430530, A-CA-O-530, A-CA-P-430530-L, A-CA-P-430530E, A-CA-P-430530M, A-CA-S-CAS-O-MAT, A-FRM-ACCACO And : Spline Count: 17 Spline Diameter: 1.125"