This is a A-K945755 Brake Disc, Stationary PN: K945755Main Description As Following : A-K945755 Brake Disc, Stationary P.N: K945755 Inside Diameter: 5.00"Outside Diameter: 9.00"Thickness: .103" Stocked As: A-1860965M2 Found in Section & Models : Transmission & Rear Axle > Brake Disc and Plates, Case-IH TRACTOR: 1594, Case-IH TRACTOR: 1690, Case-IH TRACTOR: 1694, David Brown TRACTOR: 1410, David Brown TRACTOR: 1412 Associated Items : New Also A-CA-O-1594, A-CA-P-1594, A-CA-S-1490, A-IH-S-AIRHEAT, A-SMC36, A-CA-O-1690, A-CA-P-1690, A-CA-S-1490, A-SMC36, A-IH-S-AIRHEAT, A-CA-P-141012DB, A-CA-S-770TM, A-SMC203, A-CA-P-141012DB, A-CA-S-770TM, A-SMC203 And : Inside Diameter: 5.00" Outside Diameter: 9.00" Thickness: .103"