#10-24 Low Carbon Zinc Finish Steel Machine Screw Square Nut / THREAD PITCH DIAMETERS: -0.1586 TO 0.1619 INCHES THREAD DIRECTION: RIGHT-HAND NUT STYLE: A15 SQUARE NUT HEIGHT: 0.130 INCHES NOMINAL END ITEM IDENTIFICATION: 4120-01-612-0564 WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL THREAD SERIES: UNC THREAD QUANTITY PER INCH: 24 NOMINAL THREAD SIZE: 0.190 INCHES BEARING SURFACE TYPE: FLAT MATERIAL: STEEL OVERALL