3/8"-16 Yellow Zinc Finish Grade 8 Finished Hex Nut / THREAD CLASS: 2B THREAD DIRECTION: RIGHT-HAND NUT STYLE: A12 HEXAGON NUT HEIGHT: 0.328 INCHES NOMINAL END ITEM IDENTIFICATION: MRAP BUFFALO MK2A2; MRAP - COUGAR CAT1 A1; MRAP - COUGAR CAT1 A2 WIDTH ACROSS FLATS: 0.557 INCHES NOMINAL THREAD SERIES: UNC THREAD QUANTITY PER INCH: 16 NOMINAL THREAD SIZE: 0.375 INCHES BEARING SURFACE TYPE: FLAT SPECIAL FEATURES: USED ON WINDSHIED WIPER ASSEMBLY; FINISH: YELLOW ZINC MATERIAL: STEEL NUT SURFACE TREATMENT: ZINC NUT