This is a A-HD1NCNUT Hub Axle Nut, 1"-8 HEX, Grade 5 PN: HD1NCNUTMain Description As Following : A-HD1NCNUT Hub Axle Nut, 1"-8 HEX, Grade 5 P.N: HD1NCNUT New axle hub nut. 1"- 8 hex, grade 5 nut. Fits Fred Cain rotary cutters.Inside Diameter: 1"-8 Replaces: LN1 FOREST CITY Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : New axle hub nut. 1"- 8 hex, grade 5 nut. Fits Fred Cain rotary cutters. Inside Diameter: 1"-8