This is a A-56631DB Trans Disc: 9", organic, spring loaded PN: 56631DBMain Description As Following : A-56631DB Trans Disc: 9", organic, spring loaded P.N: 56631DB Spline Count: 6Spline Diameter: 1.250 " Replaces: 185006-RO IH , 56631-RO IH , Crossed From: 1712-7042 , , 1712-7073 , Found in Section & Models : Clutch Parts > Single Clutch, Case-IH INDUSTRIAL/CONSTRUCTION: 2404, Case-IH TRACTOR: A, Case-IH TRACTOR: AV, Case-IH TRACTOR: B, Case-IH TRACTOR: BN, Case-IH TRACTOR: C, Case-IH TRACTOR: SUPER A, Case-IH TRACTOR: SUPER AV, Case-IH TRACTOR: SUPER C, Case-IH TRACTOR: 100, Case-IH TRACTOR: 130, Case-IH TRACTOR: 140, Case-IH TRACTOR: 200, Case-IH TRACTOR: 230, Case-IH TRACTOR: 240, Case-IH TRACTOR: 404 Associated Items : New Also A-IH-O-2404-I, A-IH-P-3082, A-IH-P-4042404, A-SMIH201, A-FRM-IHOL, A-IH-C-DOMGENCAT, A-IH-C-MUSCLES, A-IH-C-1936FULL, A-IH-O-AAV, A-IH-O-ABSPCLA, A-IH-O-AIMPLS, A-IH-O-A1939, A-IH-P-AB, A-IH-P-ACCESSORY, A-IH-P-AW18MWR, A-IH-S-AAVBBN, A-IH-S-CARBSPEC, A-IH-S-CLUTCH, A-IH-S-ENGGASE, A-IH-S-HAYMAHNS And : Spline Count: 6 Spline Diameter: 1.250 "