MTD flange lock nut, 5/8-18. This nut should be replaced if it has been removed.
Genuine OEM Part - Manufacturer #712-0417A
Order now and this item will ship out Monday
Nut-hex flange lock
Genuine OEM Part - Manufacturer #712-3004A
Flange lock nut, 7/16-20
Genuine OEM Part - Manufacturer #712-0459
Locking nut, 1/4-20
Genuine OEM Part - Manufacturer #912-3027
Order now and this item will ship out Monday