1-1/4"-12 Thin Nut, Plain Finish, 18-8 Stainless Steel, Right Hand, ASME B18.2.2, EA1/ THREAD DIRECTION: RIGHT-HAND NUT STYLE: A12 HEXAGON NUT HEIGHT: 0.718 INCHES NOMINAL END ITEM IDENTIFICATION: APL UPDATE WIDTH ACROSS FLATS: 1.875 INCHES NOMINAL THREAD SERIES: UNF HARDNESS RATING: 95.0 ROCKWELL B MINIMUM NOMINAL THREAD SIZE: 1.250 INCHES BEARING SURFACE TYPE: FLAT PART NAME ASSIGNED BY CONTROLLING AGENCY: HEX JAM NUT,THIN,1 1/4-12,1 7/8 WIDE MATERIAL: STEEL CORROSION RESISTING OVERALL