Hex Nut, Hex Nut, Brass, Not Graded, Plain, 3/4"-16 Dia./Thread Size, Right Hand, PK 5/ THREAD CLASS: 2B THREAD DIRECTION: RIGHT-HAND NUT STYLE: A12 HEXAGON NUT HEIGHT: 0.4218 INCHES NOMINAL END ITEM IDENTIFICATION: 4520-01-564-3917 WIDTH ACROSS FLATS: 1.125 INCHES NOMINAL THREAD SERIES: UNF THREAD QUANTITY PER INCH: 16 NOMINAL THREAD SIZE: 0.750 INCHES BEARING SURFACE TYPE: FLAT MATERIAL: COPPER ALLOY OVERALL