This is a A-904-606 Bolt, Disc Mower PN: 904-606Main Description As Following : A-904-606 Bolt, Disc Mower P.N: 904-606 Replaces: 527733Thread Length: .857"Total Length: 1.203" Crossed From: 527733 MISCELLANEOUS Found in Section & Models : Hay Tool Parts > Disc Mower Blade Bolts & Nuts, New Idea MOWER, DISC: 5209 (SN 9756 - 16012), New Idea MOWER, DISC: 5212 (SN 9756 - 16012), New Idea MOWER, DISC: 5312 (SN 9756 - 16012), New Idea MOWER, DISC: 5406 (SN 9756 - 16012), New Idea MOWER, DISC: 5409 (SN 9756 - 16012) Associated Items : A-904-610 Also This is An Aftermarket Product And : Replaces: 527733 Thread Length: .857" Total Length: 1.203"