Please refer to the Images above; Product Specifications and the Model Fit Guide below to Ensure a proper fit. PRODUCT NUMBER AND VARIATIONS: 139-2580, 139 2580, 1392580 PRODUCT TYPE: Hex Jam Flange Nut SIZE: 5/16 - 24 NOTES & DETAILS: Toro OEM 139-2580 IS COMMINLY USED - As a Fastener to Fasten the Battery Cable to the Solenoid - 139-2580 is the Universal is a Solenoid Terminal Nut. Toro May Have Multiple Part Numbers for the Same Size Nut. COMMON SERIES APPLICATIONS: Wide Range of Late Timecutter Model - Wide Range of Late Timecutter HD Models - Wide Range of Late & Current Titan Models - A Wide Range of Current Titan Max Models - E-Dingo Models *Note 139-2580 is a Universal Solenoid Terminal Nut and Toro May Have Multiple Part Numbers for the Same Size Nut - So it may fit additional Models and Series. MODEL FIT CHART: 74682, 74684, 74686, 74688, 74874, 74876, 74886, 74888, 74687, 74685, 74690, 74694, 74877, 74887, 74889, 22218, 74875, 74890, 74898, 74683, 74691, 74695, 74677, 74679, 76401, 76411, 76501, 76511, 76604, 76614, 76420, 76425, 76530, 76635, 76605, 74696, 74692, 76606, 76607, 76610, 76608, 76609, 76448, 76554, 76660
