This is a A-R52184 Washer PN: R52184Main Description As Following : A-R52184 Washer P.N: R52184 A-R52184 Washer P.N: R52184 Found in Section & Models : Hitch & Drawbar Parts > Load Control Shaft Parts, John Deere TRACTOR: 4630, John Deere TRACTOR: 7020 (S/N 2700->), John Deere TRACTOR: 7520 (SN 1572->) Associated Items : New Also A-FRM-JD, A-JD-O-OMR65495, A-JD-P-PC1296, A-JD-S-TM1172, A-SMJD50, A-JD-O-OMR51902, A-JD-S-TM1053 And : Inside Diameter: 1.260" Material: Teflon Outside Diameter: 1.480" Thickness: .280"