New Holland Lock Nut Part # 87658115

600SFIA (9/12-12/99); 450SFIA (9/14-12/99); 750SFIA (9/12-4/19); 900SFIA (9/12-6/18); 490FIA PLUS (7/10-12/12); 490FIA (7/10-12/12); 470FIA (1/07-12/12); 450FIA (1/07-12/12); 440FIA (9/07-12/12); 420FIA (9/07-12/12)