This is a A-87053834 Nut, Disc Mower Blade PN: 87053834Main Description As Following : A-87053834 Nut, Disc Mower Blade P.N: 87053834 New disc mower blade nut. Fits Ford / New Holland and Kondex disc mowers and mower conditioners.Replaces: 86515265, 86504829Thread: 1/2" - 13 RH Replaces: 920-637 KONDEX , Crossed From: 86504829 FORD / NEW HOLLAND , 86515265 FORD / NEW HOLLAND , 87725066 FORD / NEW HOLLAND Found in Section & Models : Hay Tool Parts > Disc Mower Blade Bolts & Nuts, Ford / New Holland MOWER CONDITIONER: 1431, Ford / New Holland MOWER CONDITIONER: 1432, Ford / New Holland MOWER, DISC: 1409, Ford / New Holland MOWER, DISC: 1410, Ford / New Holland MOWER, DISC: 1411, Ford / New Holland MOWER, DISC: 1412, Ford / New Holland MOWER, DISC: 615, Ford / New Holland MOWER, DISC: 616, Ford / New Holland MOWER, DISC: 617 Associated Items : New Also This is An Aftermarket Product And : New disc mower blade nut. Fits Ford / New Holland and Kondex disc mowers and mower conditioners. Replaces: 86515265, 86504829 Thread: 1/2" - 13 RH