This is a A-523864R11 Screw, Leveling (RH/LH) PN: 523864R11Main Description As Following : A-523864R11 Screw, Leveling (RH/LH) P.N: 523864R11 Diameter: .875"Long: 15.750" Found in Section & Models : Hitch & Drawbar Parts > Hitches: 2PT and 3PT, Case-IH INDUSTRIAL/CONSTRUCTION: 2504, Case-IH INDUSTRIAL/CONSTRUCTION: 2606, Case-IH TRACTOR: 300, Case-IH TRACTOR: 330, Case-IH TRACTOR: 340, Case-IH TRACTOR: 400 FARMALL, Case-IH TRACTOR: 450, Case-IH TRACTOR: 460, Case-IH TRACTOR: 504, Case-IH TRACTOR: 560, Case-IH TRACTOR: 606, Case-IH TRACTOR: 660 Associated Items : A-223315, A-522819R1, A-523861R2 Also A-IH-O-2504-I, A-IH-O-3121, A-IH-P-3082, A-IH-P-5042504, A-SMIH201, A-IH-O-2606, A-IH-O-3121, A-IH-P-3082, A-IH-P-6062606, A-SMIH25, A-CA-O-300, A-CON-S-ZDGDETC, A-IH-C-MUSCLES, A-IH-O-ROTCUTFH, A-IH-P-HYDTCH, A-IH-S-CARBSPEC, A-IH-S-ENGGASE, A-IH-S-HMTRANFD, A-IH-S-TOOLSLATE, A-IH-S-TUNEUP And : Diameter: .875" Long: 15.750"