Home / Spindle Parts / Jackshaft Lock nut Compatible With Murray 15X72 Jackshaft Lock nut Compatible With Murray 15X72$7.79 Description Compatible With: Murray Part number 15X72. Used mostly on jackshafts with keys (not splined). 1/2″ – 20 13 in stock Jackshaft Lock nut Compatible With Murray 15X72 quantity Add to cart SKU: 9296 Category: Spindle Parts Tag: G-5 Related products Genuine MTD Spindle Spacer For Cub Cadet, MTD 748-3065A, 7543065, 9543065 Pulley Spacer Compatible With MTD 950-0957, 750-0957 Set of 3 Plastic Spindle Deflector Cones for Grasshopper 423680 Set of 4 Hex Head Bolts for MTD, Cub Cadet, Troy-Bilt, Yard Man 710-1260, 710-1260A, 910-1260, 910-1260A