Home / Misc / Hex Jam Nut Compatible With MTD 712-0138, 912-0138 Hex Jam Nut Compatible With MTD 712-0138, 912-0138$7.99 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 Blade Bolt for Craftsman, Poulan, Husqvarna 193003, 532193003, 174365, 532174365 Husqvarna Deflector Pin For Craftsman Poulan 131491 53213149194 595297001 Blade Adapter Compatible With: Murray 690411, 690411MA 90 Degree Angle Breather Tube Grommet For Briggs & Stratton 692189, 67838