Home / Misc / Hex Jam Nut Compatible With MTD 712-0138, 912-0138 Hex Jam Nut Compatible With MTD 712-0138, 912-0138$7.49 Description Compatible With: MTD 712-0138, 912-0138. Thread size: 5/8″ -18 57 in stock Hex Jam Nut Compatible With MTD 712-0138, 912-0138 quantity Add to cart SKU: 419-500 Category: Misc Tag: G-4 Related products Flywheel Key Tecumseh 610961, 27247, 135503 John Deere M81575 OEM Push Nut for Craftsman, Poulan, Husqvarna 110452X, 532110452 Blade Washer Compatible With Murray 17X166MA Encore 583108 Exmark 1-513208 Bagger Gasket Compatible With: 127534, 532127534 Craftsman, Poulan, Husqvarna